Expired, full termArchiveSolo inventor
Beading strip
US 2,347,159 A · Inventors: LOUIS SPRARAGEN
Overview
1 drawing sheet
Every sheet is in the USPTO PDF.
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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 April 18, 1944. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 18, 1961.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 22, 1943
GrantedApril 18, 1944
Term endedApril 18, 1961
Application number—
Classification (CPC)B68G7/105
Length3 pages
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.