Expired design patentArchiveSolo inventor
(1) Connecting element for coupling a dentist's drill and hoses with cooling water and compressed air as well as (2) and (3) accessories therefor
US D277,232 S · Inventors: Rasch; Peter L.
Overview
The published document from the USPTO: abstract, claims, description. Open it full size
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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 January 15, 1985. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended January 15, 1999.
- A design patent protects only how a product looks. We check US rights only.
FiledNovember 24, 1981
GrantedJanuary 15, 1985
Term endedJanuary 15, 1999
Application number06/324638
Classification (CPC)—
Length2 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.