US2959312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoist dump
Assignee: Individual
•
Filing: 1957-08-08
•
Granted: 1960-11-08
•
Expires: 1977-08-08
Abstract
No abstract record available.
Inventors
- 👤 Maxen Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:46
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/23; B66; B66B; B66B17/00; B66B17/14; B66B17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US138727A
Cited
US607966A
Cited
US980734A
Cited
US1234332A
Cited
US1732391A
Cited
US2212711A
Cited
US2311555A
Cited
US2678745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |