US2920773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine positioning dolly
Assignee: Rohr Inc
•
Filing: 1957-06-07
•
Granted: 1960-01-12
•
Expires: 1977-06-07
Abstract
No abstract record available.
Inventors
- 👤 William F Knabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:59
CPC Classifications
B; B64; B64F; B64F5/00; B64F5/50; Y; Y10; Y10S; Y10S414/00; Y10S414/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US477702A
Cited
US1622201A
Cited
US2123505A
Cited
US2454840A
Cited
US2613822A
Cited
US2712874A
Cited
US3617547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |