Expired, full termArchiveSolo inventor
Repeating device for phonographs
US 1,555,083 A · Inventors: ALBERT SINK LYNFORD
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 September 29, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 29, 1942.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 14, 1923
GrantedSeptember 29, 1925
Term endedSeptember 29, 1942
Application number—
Classification (CPC)G11B3/0955
Length4 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.