1947392

Information

• Patent Grant
• 1947392

• References
• Source

• Patent Number

  1,947,392

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1934
  91 years ago

• CPC

  • B65H75/44 - Constructional details
  • F16M11/40 - by means of coilable or bendable legs or spiral shaped legs
  • B65H2701/373 - Spring steel
  • Y10S254/06 - Flexible rack and pinion
  • Y10T403/7045 - Interdigitated ends
  • Y10T403/7152 - Lapped rod ends

• US Classifications

  • 052 - Static structures
  • 033 - Geometrical instruments
  • 135 - Tent, canopy, umbrella, or cane
  • 242 - Winding, tensioning, or guiding
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 403 - Joints and connections