Expired, full termArchiveSolo inventor
Electric ignition appliance.
US 971,908 A
Overview
1 drawing sheet
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 October 4, 1910. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 4, 1927.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedOctober 4, 1910
Term endedOctober 4, 1927
Application number—
Classification (CPC)H01T13/467
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.