2503439

Information

• Patent Grant
• 2503439

• References
• Source

• Patent Number

  2,503,439

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1950
  75 years ago

• CPC

  • B31D1/0075 - by assembling
  • B43M5/02 - Hand devices for both moistening gummed flaps of envelopes and for closing the envelopes
  • Y10T156/1326 - Severing means or member secured thereto also bonds
  • Y10T156/1383 - with liquid applicator
  • Y10T156/1776 - Means separating articles from bulk source

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 118 - Coating apparatus