1637750

Information

• Patent Grant
• 1637750

• References
• Source

• Patent Number

  1,637,750

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1927
  97 years ago

• CPC

  • F16L13/0245 - with holes in the sleeve or spigot being filled with weld
  • F16L13/0236 - having an outer ring
  • Y10S29/094 - Debris remover, catcher, or deflector

• US Classifications

  • 285 - Pipe joints or couplings
  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 228 - Metal fusion bonding
  • 296 - Land vehicles: bodies and tops
  • 405 - Hydraulic and earth engineering