Patent Yard Sign in
Expired, full termArchiveSolo inventor

Coupling arrangement for an oscillatory system

US 2,874,357 A · Inventors: ELLSWORTH CARL E

USPTO PDF

Overview

3 drawing sheets

Every sheet is in the USPTO PDF.

Open the USPTO PDF

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 February 17, 1959. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 17, 1976.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 28, 1953
GrantedFebruary 17, 1959
Term endedFebruary 17, 1976
Application number—
Classification (CPC)H01P7/06 +1 more
Length7 pages

Sources & verification