Patent US1298590A successfully refreshed from Google Patents.
US3295133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anechoic chamber
Assignee: Individual
•
Filing: 1965-12-16
•
Granted: 1966-12-27
•
Expires: 1985-12-16
Abstract
No abstract record available.
Inventors
- 👤 William H Emerson
- 👤 Thomas F Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:18
CPC Classifications
G; G01; G01R; G01R29/00; G01R29/08; G01R29/10; G01R29/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
AN ANECHOIC CHAMBER FOR PROVIDING AN ENVIRONMENT SIMULATING THAT OF OUTER SPACE IN WHICH ELECTRONIC DEVICES CAN BE ELALUATED, SAID CHAMBER COMPRISING A BACK WALL TOWARD WHICH MICROWAVE ENERGY IS DIRECTED DURING THE EVALUATION OF ELECTRONIC DEVICES IN SAID CHAMBER, A FRONT WALL AND LONGITUDINALLY EXTENDING SURFACES FORMED BY SIDE WALLS, A FLOOR AND A CEILING WHICH EXTEND BETWEEN SAID FRONT WALL AND SAID BACK WALL AND IN CONJUNCTION WITH SAID FRONT AND BACK WALLS FORM SAID CHAMBER, SAID CHAMBER BEING LINED WITH MICROWAVE ENERGY ABSORBING MATERIAL FOR ABSORBING MICROWAVE ENERGY IMPINGED THEREAGAINST, SAID ABSORBING MATERIAL LINING SAID LONGITUDINALLY EXTENDING SURFACES OF SAID CHAMBER COMPRISING ELEMENTS PROJECTING INTO THE INTERIOR OF SAID CHAMBER THAT HAVE SIDE SURFACES THAT SLOPE TOWARD AND APEX WHICH ARE CANTED TOWARD THE FRONT BER AND THAT HAVE AXES WHICH ARE CANTED TOWARD THE FRONT PORTION OF THE CHAMBER.
Claim 2
Dependent Claim
143 words
AN ANECHOIC CHAMBER FOR PROVIDING AN ENVIRONMENT SIMULATING THAT OF OUTER SPACE IN WHICH ELECTRONIC DEVICES CAN BE ELALUATED, SAID CHAMBER COMPRISING A BACK WALL TOWARD WHICH MICROWAVE ENERGY IS DIRECTED DURING THE EVALUATION OF ELECTRONIC DEVICES IN SAID CHAMBER, A FRONT WALL AND LONGITUDINALLY EXTENDING SURFACES FORMED BY SIDE WALLS, A FLOOR AND A CEILING WHICH EXTEND BETWEEN SAID FRONT WALL AND SAID BACK WALL AND IN CONJUNCTION WITH SAID FRONT AND BACK WALLS FORM SAID CHAMBER, SAID CHAMBER BEING LINED WITH MICROWAVE ENERGY ABSORBING MATERIAL FOR ABSORBING MICROWAVE ENERGY IMPINGED THEREAGAINST, SAID ABSORBING MATERIAL LINING SAID LONGITUDINALLY EXTENDING SURFACES OF SAID CHAMBER COMPRISING ELEMENTS PROJECTING INTO THE INTERIOR OF SAID CHAMBER THAT HAVE SIDE SURFACES THAT SLOPE TOWARD AND APEX WHICH ARE CANTED TOWARD THE FRONT BER AND THAT HAVE AXES WHICH ARE CANTED TOWARD THE FRONT PORTION OF THE CHAMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |