US2415907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load hoisting device
Assignee: Individual
•
Filing: 1944-11-07
•
Granted: 1947-02-18
•
Expires: 1964-11-07
Abstract
No abstract record available.
Inventors
- 👤 Cecil E Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:19
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C2700/00; B66C2700/06; B66C2700/062; B66C2700/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US611777A
Cited
US1551426A
Cited
US655321A
Cited
US678188A
Cited
US677874A
Cited
US821399A
Cited
US1643208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |