Patent US2620160A successfully refreshed from Google Patents.
US2620160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic hook for hoists
Assignee: Individual
•
Filing: 1949-02-08
•
Granted: 1952-12-02
•
Expires: 1969-02-08
Abstract
No abstract record available.
Inventors
- 👤 Ray Elmer Clyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:15
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US16801A
Cited
US580154A
Cited
US679421A
Cited
US914162A
Cited
US1244317A
Cited
US2085111A
Cited
US2215431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |