Expired, full termArchiveSolo inventor
Means for packaging polishing disks and holder therefor
US 2,281,237 A · Inventors: ECKMAN PAULINE S
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 April 28, 1942. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 28, 1959.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 2, 1940
GrantedApril 28, 1942
Term endedApril 28, 1959
Application number—
Classification (CPC)A61C19/02
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.