Expired, full termArchiveSolo inventor
Broom having mounting member for a detachable brush element
US 2,915,768 A · Inventors: HALL RALPH S
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 8, 1959. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 8, 1976.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 19, 1956
GrantedDecember 8, 1959
Term endedDecember 8, 1976
Application number—
Classification (CPC)A47L13/257
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.