Patent US3842941A successfully refreshed from Google Patents.
US3842941A
Expired / Lapsed
US
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Sound-damping installation for running-up aircraft
Assignee: BBM Gerber Technologie GmbH
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Filing: 1972-04-17
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Granted: 1974-10-22
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Expires: 1992-04-17
Abstract
Abstract A structure into which an aircraft may be placed during engine run-up, the structure being particularly adapted to abate the noise which results from such run-up operation. The structure comprises a rotatable floor element onto which the aircraft may be placed. A roof element is provided which is rotatable with the floor element and also may be selectively raised and lowered vertically. Between the floor and roof elements a plurality of screen elements are provided at least some of which are rotatable about a vertical axis. The entire structure may be rotated so as to align the aircraft with the direction of the wind during engine run-up.
Inventors
- 👤 O Gerber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:37
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/26
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
70 words
A structure for housing an aircraft during engine run-up and being particularly adapted to abate the noise resulting from such run-up comprising, a rotatable floor element on which the aircraft may be positioned, a roof element rotatable with said floor element, and a plurality of screen elements extending vertically between said floor element and said roof element, at least some of said screen elements being rotatable about a vertical axis.
Claim 2
Dependent Claim
70 words
A structure for housing an aircraft during engine run-up and being particularly adapted to abate the noise resulting from such run-up comprising, a rotatable floor element on which the aircraft may be positioned, a roof element rotatable with said floor element, and a plurality of screen elements extending vertically between said floor element and said roof element, at least some of said screen elements being rotatable about a vertical axis.
Claim 3
Dependent Claim
12 words
The combination of claim 1 wherein said roof element is vertically adjustable.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |