2449693

Information

• Patent Grant
• 2449693

• References
• Source

• Patent Number

  2,449,693

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1948
  76 years ago

• CPC

  • G03B1/22 - Claws or pins engaging holes in the film
  • Y10T74/1594 - Positive grip

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 074 - Machine element or mechanism