Patent Yard Sign in
Expired, full termArchiveSolo inventor

Strand-catching device

US 2,634,491 A · Inventors: MCDERMOTT HENRY J

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 April 14, 1953. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 14, 1970.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 9, 1949
GrantedApril 14, 1953
Term endedApril 14, 1970
Application number—
Classification (CPC)D01D10/0454 +1 more
Length8 pages

Timeline

Timeline From USPTO dates

1950195319561959196219651968Application filedJune 9, 1949Patent grantedApril 14, 1953Term endedApril 14, 1970

Sources & verification