Expired, full termArchiveSolo inventor
Radio static-eliminating apparatus
US 1,719,087 A · Inventors: SEYMOUR CHARLES H
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 July 2, 1929. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 2, 1946.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 5, 1927
GrantedJuly 2, 1929
Term endedJuly 2, 1946
Application number—
Classification (CPC)H04B1/10
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.