US2717362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency wave-signal tuning device
Assignee: Hazeltine Research Inc
•
Filing: 1950-05-02
•
Granted: 1955-09-06
•
Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 Press Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:52
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2157855A
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US2153205A
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US2297266A
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US2246928A
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US2370423A
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US2368693A
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US2436427A
Cited
FR962088A
Cited
US2497662A
Cited
US2611088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |