US2921784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine dolly
Assignee: Republic Aviation Corp
•
Filing: 1956-02-21
•
Granted: 1960-01-19
•
Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Francis G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:06
CPC Classifications
B; B64; B64F; B64F5/00; B64F5/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1236246A
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US1287292A
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US1887379A
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US2530333A
Cited
US2650100A
Cited
US2712874A
Cited
US2703252A
Cited
US2727637A
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US2741830A
Cited
US2820644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |