Patent US2221436A successfully refreshed from Google Patents.
US2221436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skiving machine
Assignee: Individual
•
Filing: 1939-09-02
•
Granted: 1940-11-12
•
Expires: 1959-09-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Remington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:37
CPC Classifications
C; C14; C14B; C14B1/00; C14B1/02; C14B1/14; C14B1/20; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0267; Y10T83/0281; Y10T83/343; Y10T83/748
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) | 1943-11-12 | 1944-05-13 | 1944-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-12 | 1948-05-13 | 1948-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-12 | 1952-05-13 | 1952-11-12 | $7700.00 | Window Closed / Lapsed |