Patent US2379311A successfully refreshed from Google Patents.
US2379311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing cut
Assignee: —
•
Filing: —
•
Granted: 1945-06-26
•
Expires: 1962-06-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:28
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/74; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/71; B29C66/72; B29C66/721; B29C66/73; B29C66/737; B29C66/7375; B29C66/73751; B29C66/73752; B29C66/739; B29C66/7392; B29C35/00; B29C35/02; B29C66/7212; B29C66/73921; B29L; B29L2031/00; B29L2031/54; B29L2031/546; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054
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) | 1948-06-25 | 1948-12-25 | 1949-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-25 | 1952-12-25 | 1953-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-25 | 1956-12-25 | 1957-06-26 | $7700.00 | Window Closed / Lapsed |