1931 Electrical and scientific apparatus Trademarks by month
Electrical and scientific apparatus Trademarks filed in 1931
SAFETY LANE

SAFETY LANE

Filed: December 14, 1931
AUTOMOBILE TESTING APPLIANCES-NAMELY, BRAKE TESTERS, WHEEL-ALIGNMENT INDICATORS, AND HEADLIGHT TESTERS
Owned by: WEAVER MANUFACTURING COMPANY
Serial Number: 71322118

NC

NC

Filed: November 16, 1931
RADIO TRANSMITTING AND RECEIVING APPARATUS AND PARTS THEREOF, THE PARTS CONSISTING OF TUNING UNITS, TUNING COILS, CONDENSERS…
Owned by: NATIONAL COMPANY, INC.
Serial Number: 71321168

Image Trademark

Image Trademark

Filed: November 6, 1931
ELECTRIC TIME SWITCHES
Owned by: M. H. RHODES, INC.
Serial Number: 71320873

SENTINEL

SENTINEL

Filed: October 23, 1931
RADIO RECEIVING SETS AND PARTS THEREOF, RADIO TUBES AND LOUD SPEAKERS
Owned by: UNITED AIR CLEANER CORPORATION
Serial Number: 71320383

HYDROMATIC

HYDROMATIC

Filed: October 16, 1931
ELECTRIC CONTROL DEVICES FOR HYDRAULIC ELEVATORS
Owned by: F. ROSENBERG ELEVATOR COMPANY
Serial Number: 71320132

WIDESITE

WIDESITE

Filed: October 9, 1931
LENSES FOR EYEGLASSES AND SPECTACLES
Owned by: SHURON OPTICAL COMPANY, INC.
Serial Number: 71319910

PHOTRONIC

PHOTRONIC

Filed: October 1, 1931
LIGHT SENSITIVE CELLS
Owned by: WESTON ELECTRICAL INSTRUMENT CORPORATION
Serial Number: 71319629

SMOKEMASTER

SMOKEMASTER

Filed: September 18, 1931
COMBINED ELECTRIC CIGARETTE LIGHTERS AND DISPENSERS
Owned by: CHICAGO FLEXIBLE SHAFT COMPANY
Serial Number: 71319171

SONOTONOR

SONOTONOR

Filed: September 15, 1931
EARPHONES FOR THE USE OF PERSONS WITH DEFECTIVE HEARING
Owned by: SONOTONE CORPORATION
Serial Number: 71319085

"G SIP"

Filed: September 12, 1931
[ DRAWING INSTRUMENTS, ASTRONOMICAL INSTRUMENTS, AND MICROMETERS AND OTHER HIGH PRECISION APPLIANCES AND ] INSTRUMENTS FOR…
Owned by: SOCIETE GENEVOISE D'INSTRUMENTS DE PHYSIQUE
Serial Number: 71318999

EDIPHONE

EDIPHONE

Filed: September 12, 1931
SOUND RECORDING AND REPRODUCING APPARATUS AND EQUIPMENT CONSISTING OF DICTATING AND TRANSCRIBING MACHINES ESPECIALLY DESIGNED…
Owned by: MEDQUIST IP CORPORATION
Serial Number: 71318979

KODAK

KODAK

Filed: September 3, 1931
INTERVAL TIMERS
Owned by: EASTMAN KODAK COMPANY
Serial Number: 71318701

EMCORECTOR

EMCORECTOR

Filed: August 22, 1931
PRESSURE CORRECTING GAS METERS
Owned by: PITTSBURGH
Serial Number: 71318322

DEGUSSA

DEGUSSA

Filed: August 20, 1931
ARMATURES; INSULATION MATERIALS FOR ELECTRIC WIRES, ELECTRIC FANS, ELECTRIC SIGNS, ELECTRIC BELLS, ELECTRIC LIGHTING PLANTS…
Owned by: OTIS ELEVATOR COMPANY
Serial Number: 71318234

DEGUSSA

DEGUSSA

Filed: August 20, 1931
DRAWING INSTRUMENTS, LABORATORY FITTINGS COMPRISING LABORATORY GLASSWARE AND PORCELAIN WARE AND LABORATORY RACKS, CLAMPS…
Owned by: DEUTSCHE GOLD & SILBER-SCHEIDEANSTALT
Serial Number: 71318220

QUELARC

QUELARC

Filed: July 20, 1931
CIRCUIT BREAKING PLUGS AND RECEPTACLES
Owned by: AMPHENOL CORPORATION
Serial Number: 71317134

ALECTRAL

ALECTRAL

Filed: July 6, 1931
ELECTRIC WIRES AND CABLES AND TERMINALS THEREFOR,
Owned by: GENERAL CABLE CORPORATION
Serial Number: 71316636

PERRINE POLAR BEAR

PERRINE POLAR BEAR

Filed: June 26, 1931
STORAGE BATTERIES AND THEIR PARTS, OTHER THAN ELECTROLYTE
Owned by: PERRINE QUALITY PRODUCTS CORPORATION
Serial Number: 71316333

WEATHERMAN

WEATHERMAN

Filed: June 26, 1931
ANEMOMETER, WIND DIRECTION INDICATORS, WIND VELOCITY INDICATORS, BAROMETER, BAROGRAPH, THERMOMETER, THERMOGRAPH, HYGROMETER…
Owned by: JULIEN P. FRIEZ & SONS, INC.
Serial Number: 71316323

RAY

RAY

Filed: June 22, 1931
ELECTRICAL APPARATUS, PARTICULARLY AUTOMATIC ELECTRICAL CONTROL UNITS FOR OIL AND GAS BURNERS AND OIL AND GAS FURNACES
Owned by: RAY BURNER COMPANY
Serial Number: 71316133