Patent US3308463A successfully refreshed from Google Patents.
US3308463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anechoic chamber
Assignee: Goodrich Corp
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Filing: 1964-08-04
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Granted: 1967-03-07
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Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 William H Emerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:50
CPC Classifications
G; G01; G01H; G01H3/00; G01R; G01R29/00; G01R29/08; G01R29/10; G01R29/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN ANECHOIC CHAMBER FOR PROVIDING AN ENVIRONMENT SIMULATING THAT OF OUTER SPACE IN WHICH ELECTRONIC DEVICES CAN BE EVALUATED AND STUDIED, SAID CHAMBER COMPRISING A BACK WALL TOWARD WHICH MICROWAVE ENERGY IS DIRECTED FROM THE FRONT OF THE CHAMBER DURING THE EVALUATION AND STUDY OF ELECTRONIC DEVICES IN SAID CHAMBER, A FRONT WALL AND LONGITUDINALLY DISPOSED WALLS CONNECTING SAID FRONT WALL WITH SAID BACK WALL AND COMPRISED OF A CEILING, A FLOOR AND OPPOSED SIDE WALLS, THE INTERIOR WALL SURFACES OF SAID CHAMBER BEING LINED WITH MICROWAVE ENERGY ABSORBING MATERIAL FOR ABSORBING MICROWAVE ENERGY IMPINGED THEREAGAINST, SAID CEILING OF SAID CHAMBER DIVERGING FROM THE FLOOR OF THE CHAMBER AT A CONSTANT RATE BEGINNING AT THE FRONT WALL OF THE CHAMBER AND EXTENDING REARWARDLY A PREPONDERANCE OF THE LONGITUDINAL
Claim 2
Dependent Claim
128 words
AN ANECHOIC CHAMBER FOR PROVIDING AN ENVIRONMENT SIMULATING THAT OF OUTER SPACE IN WHICH ELECTRONIC DEVICES CAN BE EVALUATED AND STUDIED, SAID CHAMBER COMPRISING A BACK WALL TOWARD WHICH MICROWAVE ENERGY IS DIRECTED FROM THE FRONT OF THE CHAMBER DURING THE EVALUATION AND STUDY OF ELECTRONIC DEVICES IN SAID CHAMBER, A FRONT WALL AND LONGITUDINALLY DISPOSED WALLS CONNECTING SAID FRONT WALL WITH SAID BACK WALL AND COMPRISED OF A CEILING, A FLOOR AND OPPOSED SIDE WALLS, THE INTERIOR WALL SURFACES OF SAID CHAMBER BEING LINED WITH MICROWAVE ENERGY ABSORBING MATERIAL FOR ABSORBING MICROWAVE ENERGY IMPINGED THEREAGAINST, SAID CEILING OF SAID CHAMBER DIVERGING FROM THE FLOOR OF THE CHAMBER AT A CONSTANT RATE BEGINNING AT THE FRONT WALL OF THE CHAMBER AND EXTENDING REARWARDLY A PREPONDERANCE OF THE LONGITUDINAL
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |