Patent US2866660A successfully refreshed from Google Patents.
US2866660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block-lifting grab
Assignee: L A Spring & Wire Corp
•
Filing: 1955-08-03
•
Granted: 1958-12-30
•
Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 George E Mcguire
- 👤 Richard F Uren
- 👤 Frank G Woodside
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:22
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/442
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1411316A
Cited
US1830264A
Cited
US1733236A
Cited
US2076494A
Cited
US2148911A
Cited
US2369727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |