Expired, full termArchiveSolo inventor
Sticker packet
US 2,248,317 A · Inventors: CLEEF PAUL VAN
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 8, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 8, 1958.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 31, 1938
GrantedJuly 8, 1941
Term endedJuly 8, 1958
Application number—
Classification (CPC)B42D5/003 +2 more
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.