US3258767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing sonic vibrations at x-band microwave frequencies and higher
Assignee: General Electric Co
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Filing: 1964-11-13
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Granted: 1966-06-28
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Edward H Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:12
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; H; H03; H03H; H03H9/00; H03H9/02; H03H9/125; H03H9/30; H03H9/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
IN A RADAR SYSTEM INCLUDING A SOURCE OF MICROWAVE ENERGY OF AT LEAST X-BAND FREQUENCY, A MICROWAVE RECEIVER TO RECEIVE REFLECTED MICROWAVE SIGNALS FROM THE TRANSMITTER, AND A MASER AMPLIFIER OPERATIVELY ASSOCIATED WITH THE RECEIVER, THE COMBINATION OF A ROD-LIKE BODY IN WHICH PHONONS OF X-BAND MICROWAVE FREQUENCY CAN PROPAGATE AND BE DISPOSED TO PUMP THE MASER, AND MEANS INCLUDING A MICROWAVE CAVITY FOR PRODUCING X-BAND FREQUENCY PHONONS IN THE SAID BODY.
References Cited (Backward Citations)
US3056127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |