US3296534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-phase stability coherent radio signal receiver
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1962-09-25
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Granted: 1967-01-03
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Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Ross E Graves
- 👤 Jr George Hetland
- 👤 Henry A Samulon
- 👤 Richard G Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:20
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2017523A
Cited
US2298629A
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US2394544A
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US2636939A
Cited
US2602864A
Cited
US2794909A
Cited
US3045114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |