US2545953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary hoist
Assignee: Individual
•
Filing: 1946-10-25
•
Granted: 1951-03-20
•
Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Hall Carlyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:05
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/10; B66F7/16; B66F7/02; B66F7/12; B66F7/14; B66F7/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1477471A
Cited
US714346A
Cited
US1339459A
Cited
US1332599A
Cited
US1519357A
Cited
US1863309A
Cited
US2015357A
Cited
US2227688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |