US3034076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave diplexer
Assignee: Unisys Corp
•
Filing: 1953-06-08
•
Granted: 1962-05-08
•
Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Tomiyasu Kiyo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:13
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2573012A
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US2564030A
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US2591980A
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US2632809A
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US2531447A
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US2560806A
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US2585173A
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US2615982A
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US2702371A
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US2679631A
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US2850626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |