US2556995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple positionable handle tensioning device
Assignee: COFFING HOIST Co
•
Filing: 1947-12-06
•
Granted: 1951-06-12
•
Expires: 1967-12-06
Abstract
No abstract record available.
Inventors
- 👤 Fredrick W Coffing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:06
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20732; Y10T74/20744; Y10T74/20756
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US579277A
Cited
US1191855A
Cited
US1261890A
Cited
US1330260A
Cited
US1742746A
Cited
US2201004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |