US2479758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer crane for loading trucks
Assignee: Individual
•
Filing: 1947-05-13
•
Granted: 1949-08-23
•
Expires: 1967-05-13
Abstract
No abstract record available.
Inventors
- 👤 Darwin D Mcdermott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:55
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/02; B66F9/04; B60; B60P; B60P1/00; B60P1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US852919A
Cited
US1052096A
Cited
US1282300A
Cited
AU2593230A
Cited
US2033243A
Cited
US2234599A
Cited
US2390268A
Cited
US2426889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |