MASTER LOCK COMPANY Trademarks
SECRET SERVICE

SECRET SERVICE

Filed: October 31, 1931
PADLOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 71320685

STRONG BOY

STRONG BOY

Filed: October 28, 1946
LOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 71511632

MASTER 1525

MASTER 1525

Filed: August 18, 1961
Key Controlled Combination Padlocks
Owned by: MASTER LOCK COMPANY
Serial Number: 72126244

MASTRLOK

MASTRLOK

Filed: May 11, 1962
PADLOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 72144403

KEY-KEEPER

KEY-KEEPER

Filed: July 12, 1963
STORAGE CABINETS FOR KEYS
Owned by: MASTER LOCK COMPANY
Serial Number: 72172912

3

3

Filed: July 29, 1964
PADLOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 72198753

MASTER

MASTER

Filed: July 29, 1964
PADLOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 72198754

MASTER

MASTER

Filed: September 3, 1964
PADLOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 72201225

MASTER 22

MASTER 22

Filed: January 8, 1965
PADLOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 72209617

MASTER

MASTER

Filed: February 5, 1976
ALARM PRODUCTS AND/OR SYSTEMS-NAMELY, BURGLAR AND/OR INTRUSION ALARMS, FIRE ALARMS, AND SMOKE ALARMS, ALL FOR HOMES AND…
Owned by: MASTER LOCK COMPANY
Serial Number: 73076352

TOUGH UNDER FIRE

TOUGH UNDER FIRE

Filed: July 1, 1976
NON-PRECIOUS METAL BELT BUCKLES FOR CLOTHING
Owned by: MASTER LOCK COMPANY
Serial Number: 73092266

DEXLO

DEXLO

Filed: June 7, 1983
Door Hardware-Namely, Door Locks and Latches
Owned by: MASTER LOCK COMPANY
Serial Number: 73429197

TOUGH STRIPES

TOUGH STRIPES

Filed: March 23, 1987
BICYCLE LOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 73651077

LOCK TO

LOCK TO

Filed: November 19, 1987
OUTDOOR LOCKING ANCHORS
Owned by: MASTER LOCK COMPANY
Serial Number: 73696460

MASTER

MASTER

Filed: August 14, 1989
METAL LOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 73818813

DEXTER BY MASTER LOCK

DEXTER BY MASTER LOCK

Filed: August 14, 1989
DOOR HARDWARE, NAMELY, KNOBS AND LEVERS, LOCKS AND HANDLES, ACCESSORY TRIM, LATCHES, STRIKES AND STRIKE BOXES, KEYS, TUMBLER…
Owned by: MASTER LOCK COMPANY
Serial Number: 73819125

WORLD'S STRONGEST

WORLD'S STRONGEST

Filed: August 14, 1989
LOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 73822613

FACETS

FACETS

Filed: November 15, 1989
LOCKS, LATCHES, HANDLES AND KNOBS OF METAL
Owned by: MASTER LOCK COMPANY
Serial Number: 73839520

DANBURY

DANBURY

Filed: November 15, 1989
LOCKS, LATCHES, HANDLES AND KNOBS OF METAL
Owned by: MASTER LOCK COMPANY
Serial Number: 73839524

PRO SPORT

PRO SPORT

Filed: March 23, 1990
locks
Owned by: MASTER LOCK COMPANY
Serial Number: 74041445

MASTER

MASTER

Filed: December 12, 1990
metal door locks
Owned by: MASTER LOCK COMPANY
Serial Number: 74125199

Image Trademark

Image Trademark

Filed: April 15, 1993
metal padlocks
Owned by: MASTER LOCK COMPANY
Serial Number: 74380516

MADE IN U.S.A.

MADE IN U.S.A.

Filed: April 15, 1993
padlocks and metal door hardware; namely, knobs and levers, locks and handles, accessory trim, latches, strikes and strike…
Owned by: MASTER LOCK COMPANY
Serial Number: 74380524

WEATHERBUILT

WEATHERBUILT

Filed: June 7, 1993
padlocks
Owned by: MASTER LOCK COMPANY
Serial Number: 74398643

DURASHINE

DURASHINE

Filed: February 14, 1994
metal doorknobs, door levers, locks, and accessories and trim therefor sold together as a unit
Owned by: MASTER LOCK COMPANY
Serial Number: 74490284

UNIVERSAL PIN REKEYING SYSTEM

UNIVERSAL PIN REKEYING SYSTEM

Filed: September 20, 1994
pin system that allows continued use of original keys even after the locks are changed
Owned by: MASTER LOCK COMPANY
Serial Number: 74575789

MASTER LOCK ONE KEY SYSTEM

MASTER LOCK ONE KEY SYSTEM

Filed: September 8, 1995
universal metal pin system consisting of a cylinder, assembly pins, springs, and pin shearing mechanism that allows continued…
Owned by: MASTER LOCK COMPANY
Serial Number: 74726396

MASTER LOCK. ONE KEY SYSTEM YOUR OLD KEY OPENS YOUR NEW LOCKS 1 MASTER

MASTER LOCK. ONE KEY SYSTEM YOUR OLD KEY OPENS YOUR NEW LOCKS 1 MASTER

Filed: September 8, 1995
universal metal pin system consisting of a cylinder, assembly pins, springs, and pin shearing mechanism that allows continued…
Owned by: MASTER LOCK COMPANY
Serial Number: 74726399

TATTLETALE

TATTLETALE

Filed: May 8, 1996
motion sensitive electronic gun alarm
Owned by: MASTER LOCK COMPANY
Serial Number: 75100889

M-LOCK

M-LOCK

Filed: August 16, 1996
locks
Owned by: MASTER LOCK COMPANY
Serial Number: 75151694

COMPETITION SERIES

COMPETITION SERIES

Filed: August 16, 1996
metal locks
Owned by: MASTER LOCK COMPANY
Serial Number: 75151695

MASTER CORE

MASTER CORE

Filed: August 30, 1996
locks
Owned by: MASTER LOCK COMPANY
Serial Number: 75158655

MASTERCORE

MASTERCORE

Filed: August 30, 1996
metal locks
Owned by: MASTER LOCK COMPANY
Serial Number: 75158657

Image Trademark

Image Trademark

Filed: October 4, 1996
metal padlocks and metal door hardware, namely, keys and key cylinders
Owned by: MASTER LOCK COMPANY
Serial Number: 75176833

Image Trademark

Image Trademark

Filed: November 25, 1996
padlocks
Owned by: MASTER LOCK COMPANY
Serial Number: 75204094

MASTER BLOCK

MASTER BLOCK

Filed: October 9, 1997
AUTOMOBILE STEERING WHEEL LOCK
Owned by: MASTER LOCK COMPANY
Serial Number: 75370900

MASTER BLOCK

MASTER BLOCK

Filed: October 9, 1997
AUTOMOBILE STEERING WHEEL LOCK
Owned by: MASTER LOCK COMPANY
Serial Number: 75370991

XTREME

XTREME

Filed: December 23, 1997
PADLOCKS AND OTHER PORTABLE LOCKING DEVICES
Owned by: MASTER LOCK COMPANY
Serial Number: 75410425

EXTREME

EXTREME

Filed: December 23, 1997
PADLOCKS AND OTHER PORTABLE LOCKING DEVICES
Owned by: MASTER LOCK COMPANY
Serial Number: 75410426

TOUGH UNDER FIRE MASTER

TOUGH UNDER FIRE MASTER

Filed: January 14, 1998
METAL LOCKS
Owned by: MASTER LOCK COMPANY
Serial Number: 75418048