Expired, full termArchiveSolo inventor
Elevator truck
US 1,407,124 A · Inventors: CARR WILLIAM C
Overview
3 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 February 21, 1922. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 21, 1939.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 24, 1920
GrantedFebruary 21, 1922
Term endedFebruary 21, 1939
Application number—
Classification (CPC)B66F9/06
Length9 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.