1978529

Information

• Patent Grant
• 1978529

• References
• Source

• Patent Number

  1,978,529

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1934
  90 years ago

• CPC

  • F16L11/16 - wound from profiled strips or bands
  • Y10S220/07 - Flexible tubes
  • Y10T29/49435 - Flexible conduit or fitting therefor
  • Y10T29/49874 - Prestressing rod, filament or strand
  • Y10T29/49877 - of flexible wall, expansible chamber devices [e.g., bellows]

• US Classifications

  • 285 - Pipe joints or couplings
  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 220 - Receptacles