PERFECT CIRCLE CORPORATION Trademarks
MANULATHE

MANULATHE

Filed: March 29, 1947
HAND-TOOLS FOR RE-CUTTING RING GROOVES IN PISTONS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71519829

PERFECT CIRCLE

PERFECT CIRCLE

Filed: October 8, 1947
TOOLS FOR INSTALLING PISTON RINGS ON PISTONS, PISTON SKIRT EXPANDERS, MACHINES FOR PROVIDING AN INTERRUPTED SURFACE ON CYLINDRICAL…
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537231

GX

GX

Filed: October 11, 1947
PISTON RINGS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537613

200

200

Filed: October 11, 1947
PISTON RINGS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537614

PC

PC

Filed: October 11, 1947
PLASTIC GAUGING MATERIAL IN THE FORM OF STICKS TO BE SQUEEZED BETWEEN A BEARING OF A SHAFT FOR USE IN DETERMINING THE CLEARANCE…
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537616

LEADERSHIP INTEGRITY SERVICE PERFECT CIRCLE

LEADERSHIP INTEGRITY SERVICE PERFECT CIRCLE

Filed: October 14, 1947
INSTRUCTING MECHANICS AND REPAIR MEN IN METHODS OF OVERHAULING AND REPAIRING INTERNAL COMBUSTION ENGINES, PARTICULARLY TO…
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537820

PC

PC

Filed: April 16, 1954
PISTON RINGS, [OIL SEALING RINGS FOR ROTATING SHAFTS, AND BEARING ADJUSTERS IN THE FORM OF SHIMS]
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71664696

HYTRESS

HYTRESS

Filed: June 27, 1961
HIGHWAY TEST RECORDER AND SIMULATOR FOR AUTOMOTIVE ENGINES, AND PARTS THEREOF
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72122948

RE-FRE-TRAN

RE-FRE-TRAN

Filed: June 27, 1961
ELECTRONIC TRANSDUCERS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72122949

PC

PC

Filed: August 18, 1961
CYLINDER SLEEVE CASTINGS BOTH IN AS-CAST FORM AND PARTIALLY MACHINED FORM
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72126251

MAXLOK

MAXLOK

Filed: August 18, 1961
PARTIALLY MACHINED CYLINDER SLEEVE CASTINGS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72126254

PC

PC

Filed: June 17, 1964
FRONT END SUSPENSION PARTS SUCH AS UPPERAND LOWER CONTROL ARMS, COIL SPRINGS, SPRING SHACKLES, SPRING BOLTS AND BUSHINGS…
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72195890