Expired, full termArchiveSolo inventor
Paving construction
US 1,606,189 A · Inventors: SHAFFER GEORGE B et al.
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 November 9, 1926. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 9, 1943.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 5, 1925
GrantedNovember 9, 1926
Term endedNovember 9, 1943
Application number—
Classification (CPC)E01C11/04
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.