Expired, full termArchiveSolo inventor
Starting device for explosion-engines with four cylinders.
US 878,747 A
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 11, 1908. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 11, 1925.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedFebruary 11, 1908
Term endedFebruary 11, 1925
Application number—
Classification (CPC)F01L13/00 +1 more
Length7 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.