US2469644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work positioner
Assignee: CARL F GREINER
•
Filing: 1945-06-05
•
Granted: 1949-05-10
•
Expires: 1965-06-05
Abstract
No abstract record available.
Inventors
- 👤 John F Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:25
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/5437
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1371344A
Cited
US1442267A
Cited
US1580358A
Cited
US1843794A
Cited
US1985169A
Cited
US1925296A
Cited
US2027421A
Cited
US2072998A
Cited
US2182743A
Cited
US2220815A
Cited
US2227688A
Cited
US2277631A
Cited
US2318791A
Cited
US2348062A
Cited
US2396161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |