US3173091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave detector apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1960-08-30
•
Granted: 1965-03-09
•
Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Strull Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:57
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
MICROOWAVE DETECTOR APPARATUS COMPRISING SIGNAL GENERATING MEANS FOR GENERATING SIGNALS DETECTABLE BY HUMAN SENSES, SAID GENERATING MEANS HAVING ITS FREQUENCY DETERMINED BY A PREDETERMINED CIRCUIT PARAMETER, A SEMICONDUCTOR DEVICE CONNECTED TO SAID SIGNAL GENERATING MEANS AND PROVIDING A PART OF SAID CIRCUIT PARAMETER FOR SAID GENERATING MEANS, SAID SEMICONDUCTOR DEVICE BEING RESPONSIVE TO RADIANT ENERGY IMPINGING THEREUPON TO CHANGE SAID PARAMETER THEREBY CAUSING A CHANGE IN THE FREQUENCY OF SAID SIGNAL GENERATING MEANS.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |