US2834876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced mixers which utilize imagefrequency power reflected from detector diodes
Assignee: Raytheon Co
•
Filing: 1953-10-01
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Granted: 1958-05-13
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Expires: 1973-10-01
Abstract
No abstract record available.
Inventors
- 👤 Wilbur L Pritchard
- 👤 Carlo P Domenichini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:12
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/06; H03D9/0608; H03D9/0616
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2433387A
Cited
US2472196A
Cited
US2637813A
Cited
US2605400A
Cited
US2568090A
Cited
US2679585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |