Expired, full termArchiveSolo inventor
Musical instrument pad
US 2,264,591 A · Inventors: EUGENE SANDER
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 December 2, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 2, 1958.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 28, 1941
GrantedDecember 2, 1941
Term endedDecember 2, 1958
Application number—
Classification (CPC)G10D9/047
Length4 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.