US3322026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attenuation measuring device using an optical maser
Assignee: AT&T Inc
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Filing: 1963-10-21
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Granted: 1967-05-30
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 William W Rigrod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:16
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/255
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
ATTENUATION MEASUREMENT EQUIPMENT COMPRISING: A MASTER INCLUDING A MASER MATERIAL DISPOSED WITHIN A RESONANT CAVITY; MEANS FOR HOUSING WITHIN SAID CAVITY A SAMPLE OF A MATERIAL TO BE MEASURED; A VARIABLE CALIBRATED ATTENUATOR DISPOSED WITHIN SAID CAVITY; SAID ATTENUATOR COMPRISING TWO SUBSTANTIALLY IDENTICAL WEDGES OF LOSSY MATERIAL HAVING A COMMON INTERFACE; MEANS FOR SLIDING SAID WEDGES IN A DIRECTION PARALLEL TO SAID INTERFACE; AND MEANS FOR MEASURING THE OUTPUT FROM SAID MASER.
Claim 2
Dependent Claim
72 words
ATTENUATION MEASUREMENT EQUIPMENT COMPRISING: A MASTER INCLUDING A MASER MATERIAL DISPOSED WITHIN A RESONANT CAVITY; MEANS FOR HOUSING WITHIN SAID CAVITY A SAMPLE OF A MATERIAL TO BE MEASURED; A VARIABLE CALIBRATED ATTENUATOR DISPOSED WITHIN SAID CAVITY; SAID ATTENUATOR COMPRISING TWO SUBSTANTIALLY IDENTICAL WEDGES OF LOSSY MATERIAL HAVING A COMMON INTERFACE; MEANS FOR SLIDING SAID WEDGES IN A DIRECTION PARALLEL TO SAID INTERFACE; AND MEANS FOR MEASURING THE OUTPUT FROM SAID MASER.
References Cited (Backward Citations)
US2682801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |