Mark Identification
I S MICROPROCESSED BERYLLIUM COPPER SPRINGS
Serial Number
71451550
Filing Date
Mar 11, 1942
Registration Date
Nov 23, 1943
Trademark by
Classification Information
SPRINGS MADE AND TESTED IN A PARTICULAR MANNER FOR USE ON VARIOUS PIECES OF APPARATUS, SUCH AS RADIO SETS, ESPECIALLY THOSE USED ON AIRCRAFT, FUEL GAUGES, SHOCK ABSORBERS, AIRCRAFT TACHOMETERS, MEASURING AND SCIENTIFIC INSTRUMENTS, MOTORS, RELAYS, AND NUMEROUS OTHER STRUCTURES
Firearms