Expired, full termArchiveSolo inventor
Shield or protector device
US 1,872,159 A · Inventors: MCCREARY WILLIAM C
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 August 16, 1932. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 16, 1949.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 20, 1931
GrantedAugust 16, 1932
Term endedAugust 16, 1949
Application number—
Classification (CPC)G09F3/18
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.