US2710562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun mounting arrangement for airplanes
Assignee: Glenn L Martin Co
•
Filing: 1949-07-15
•
Granted: 1955-06-14
•
Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
- 👤 Gordon P Gravenhorst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:32
CPC Classifications
F; F41; F41A; F41A27/00; F41A27/06; F41A27/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315718A
Cited
GB129671A
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US1461561A
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US1667182A
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US1974864A
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FR798816A
Cited
US2254678A
Cited
US2377073A
Cited
US2454806A
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US2407451A
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US2573434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |