THREAD ENGAGING SHEET METAL FASTENER

• US 3,523,299 A
• Filed: 10/10/1967
• Issued: 08/04/1970
• Est. Priority Date: 09/20/1965
• Status: Expired due to Term

• Current Assignee: George A. Tinnerman
• Original Assignee: George A. Tinnerman
• Inventors: Tinnerman, George A.
• Application Number:
  US04/674,247
• Time in Patent Office: 1,029 Days
• US Class Current: 411/372
• CPC Class Codes: F16B 21/16 with grooves or notches in the pin or shaft
• CPC Class Codes: F16B 37/02 made of thin sheet material fastening to surfaces F16B37/04 ; used as lock-nuts F16B39/14
• CPC Class Codes: F16B 37/041 Releasable devices F16B37/044, F16B37/045 take precedence
• CPC Class Codes: F16B 37/043 with snap action
• CPC Class Codes: F16B 43/00 Washers or equivalent devices; Other devices for supporting bolt-heads or nuts circlips F16B21/18; for indicating tensile load F16B31/02; forming a whole with the bolt or nut F16B33/00; locking bolts or nuts by means of a fixed plate or ring, or washer-like resilient plates F16B39/10, F16B39/24
• CPC Class Codes: Y10S 411/918 Threadless nut

Claims