Expired, full termArchiveSolo inventor
Dental apparatus
US 1,543,545 A · Inventors: BOATNER EDWARD M
Overview
The published document from the USPTO: abstract, claims, description and drawings. 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 June 23, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 23, 1942.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 10, 1924
GrantedJune 23, 1925
Term endedJune 23, 1942
Application number—
Classification (CPC)H05B3/00 +1 more
Length3 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.