Expired, full termArchiveSolo inventor
Folding ladder.
US 1,065,166 A
Overview
2 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 June 17, 1913. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 17, 1930.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedJune 17, 1913
Term endedJune 17, 1930
Application number—
Classification (CPC)E06C9/14
Length4 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.