Patent Yard Sign in
Expired, full termArchiveSolo inventor

Fastener inserting tools

US 3,012,247 A · Inventors: SILLARS FREDERICK S et al.

USPTO PDF

Overview

The published document from the USPTO: abstract, claims, description and drawings. Open it full size

Read the whole patent

Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted December 12, 1961. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 12, 1978.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 14, 1960
GrantedDecember 12, 1961
Term endedDecember 12, 1978
Application number—
Classification (CPC)B25C3/002
Length7 pages

Timeline

Timeline From USPTO dates

196119631965196719691971197319751977Application filedJan 14, 1960Patent grantedDec 12, 1961Term endedDec 12, 1978

Sources & verification