Patent US2534726A successfully refreshed from Google Patents.
US2534726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated two-speed hoist
Assignee: Manning Maxwell and Moore Inc
•
Filing: 1944-12-28
•
Granted: 1950-12-19
•
Expires: 1964-12-28
Abstract
No abstract record available.
Inventors
- 👤 George E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:28
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/18; B66D3/20; B66D3/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US558420A
Cited
FR752872A
Cited
US881596A
Cited
US889769A
Cited
US1155784A
Cited
US1386979A
Cited
US1765822A
Cited
GB376139A
Cited
US2054631A
Cited
US2133365A
Cited
US2315628A
Cited
US2321525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |