Expired, full termArchiveSolo inventor
Folding and guiding attachment for sewing-machines.
US 815,134 A
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 March 13, 1906. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 13, 1923.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedMarch 13, 1906
Term endedMarch 13, 1923
Application number—
Classification (CPC)D05B35/062
Length5 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.