3780961

Information

• Patent Grant
• 3780961

• References
• Source

• Patent Number

  3,780,961

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • B23D36/0066 - and taking account of marks
  • G03C3/00 - Packages of films for inserting into cameras

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 324 - Electricity: measuring and testing