US2479100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dolly jack for airplanes
Assignee: CONNOR ENGINEERING AND MANUFACTURING Co
•
Filing: 1945-06-22
•
Granted: 1949-08-16
•
Expires: 1965-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lionel G Connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:35
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F5/00; B66F5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1364175A
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US1416958A
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US1523486A
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US1555152A
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US1964119A
Cited
FR792480A
Cited
US2314589A
Cited
US2326684A
Cited
US2377404A
Cited
US2388692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |