US2931519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft component dolly
Assignee: Lockheed Martin Corp
•
Filing: 1954-10-28
•
Granted: 1960-04-05
•
Expires: 1974-10-28
Abstract
No abstract record available.
Inventors
- 👤 James B Beach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:54
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/06; B66F7/08; B64; B64F; B64F5/00; B64F5/50; B66F7/0625; B66F7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US956189A
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US2001744A
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US2132343A
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US2043887A
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US2471901A
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US2479623A
Cited
US2546361A
Cited
US2523734A
Cited
US2672242A
Cited
US2617547A
Cited
US2613822A
Cited
FR1076006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |