Patent US2844339A successfully refreshed from Google Patents.
US2844339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft landing gear
Assignee: Individual
•
Filing: 1954-03-01
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Granted: 1958-07-22
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Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Stroukoff Oleg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:18
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB132877A
Cited
GB125159A
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DE325134C
Cited
US2021876A
Cited
FR699391A
Cited
US2106934A
Cited
US2302343A
Cited
US2321561A
Cited
DE736719C
Cited
FR943917A
Cited
US2729405A
Cited
US2718368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |