US2471361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machinst's universal vise
Assignee: Individual
•
Filing: 1945-07-18
•
Granted: 1949-05-24
•
Expires: 1965-07-18
Abstract
No abstract record available.
Inventors
- 👤 Otto F Trefz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:33
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/10; B23Q3/103
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1323901A
Cited
US963559A
Cited
US1015497A
Cited
US1169928A
Cited
US1169900A
Cited
US1374759A
Cited
US2347111A
Cited
US2365436A
Cited
US2315433A
Cited
US2366385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |