US2717701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable load hoisting device
Assignee: Individual
•
Filing: 1951-11-06
•
Granted: 1955-09-13
•
Expires: 1971-11-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond O Pitman
- 👤 Raymond F Pitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C23/00; B66C23/18; B66C23/36; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357; B66C2700/0364; B66C2700/06; B66C2700/062; B66C2700/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1551426A
Cited
US929168A
Cited
US1338161A
Cited
US1254804A
Cited
US2602551A
Cited
US2559733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |