3522903

Information

• Patent Grant
• 3522903

• References
• Source

• Patent Number

  3,522,903

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • G01D15/24 - Drives for recording elements and surfaces not covered by G01D5/00
  • B65H20/02 - by friction roller
  • E04C2/08 - of metal
  • G01D15/28 - Holding means for recording surfaces Guiding means for recording surfaces Exchanging means for recording surfaces
  • B65H2404/13211 - and interconnected by gearing

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 346 - Recorders
  • 400 - Typewriting machines