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US3412364A
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Assignee: Hamburger Flugzeugbau GmbH
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Filing: 1966-04-29
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Granted: 1968-11-19
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Expires: 1986-04-29
Abstract
No abstract record available.
Inventors
- 👤 Grawe Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:17
CPC Classifications
H; H01; H01R; H01R39/00; H01H; H01H1/00; H01H1/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US974833A
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US1145926A
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US1115848A
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US1246825A
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US1271793A
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US2205688A
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US2555997A
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US2846649A
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US2833946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |