US2565007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nose landing gear
Assignee: Glenn L Martin Co
•
Filing: 1946-12-19
•
Granted: 1951-08-21
•
Expires: 1966-12-19
Abstract
No abstract record available.
Inventors
- 👤 Willem D Van Zelm
- 👤 Sheleski Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:38
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1716439A
Cited
US2014777A
Cited
FR814014A
Cited
GB505263A
Cited
US2333981A
Cited
US2323640A
Cited
US2405651A
Cited
US2467898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |