Patent US2217060A successfully refreshed from Google Patents.
US2217060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting of leather
Assignee: Individual
•
Filing: 1938-08-04
•
Granted: 1940-10-08
•
Expires: 1958-08-04
Abstract
No abstract record available.
Inventors
- 👤 Lawrence S Korsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:50
CPC Classifications
C; C14; C14B; C14B5/00; C14B2700/00; C14B2700/11; C14B2700/113; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/0419; Y10T83/0505; Y10T83/06; Y10T83/788; Y10T83/793
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-08 | 1944-04-08 | 1944-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-08 | 1948-04-08 | 1948-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-08 | 1952-04-08 | 1952-10-08 | $7700.00 | Window Closed / Lapsed |