US2672780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe chucking mechanism
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1948-08-21
•
Granted: 1954-03-23
•
Expires: 1968-08-21
Abstract
No abstract record available.
Inventors
- 👤 Otto E Schurr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:27
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1261; B23B31/1276; B23B31/1284; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/18; Y10T82/00; Y10T82/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1449126A
Cited
US1232508A
Cited
US1285350A
Cited
DE407956C
Cited
US1668948A
Cited
US1829619A
Cited
US1912987A
Cited
US1915705A
Cited
US2505007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |