US3141639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable blast deflector and acoustic barrier
Assignee: CORWIN BOOTH
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Filing: 1962-04-10
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Granted: 1964-07-21
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Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Louis H Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:41
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/26; E; E01; E01F; E01F13/00; E01F13/04; E01F13/08; E01F8/00; E01F8/0005; E01F8/0023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A RETRACTABLE BLAST DEFLECTOR AND ACOUSTIC BARRIER FOR DEFLECTING THE BLAST AND SOUND FROM THE ENGINES ON AN AIRPLANE, COMPRISING: (A) A PAIR OF WALLS IN A GENERALLY HORIZONTAL POSITION ON THE GROUND, EACH HAVING A BLAST RECEIVING SURFACE ADAPTED TO FACE GENERALLY TOWARD THE BLAST FROM SUCH ENGINES WHEN SAID WALLS ARE IN AN ERECTED POSITION; (B) MEANS SUPPORTING SAID WALLS FOR MOVEMENT THEREOF FROM SAID GENERALLY HORIZONTAL POSITION TO SAID ERECTED POSITION, AND VICE VERSA, AND IN WHICH ERECTED POSITION ONE WALL OF SAID PAIR EXTENDS UPWARDLY FROM THE GROUND AT A SUBSTANTIAL ANGLE RELATIVE TO HORIZONTAL AND SAID OTHER WALL EXTENDS UPWARDLY ABOVE SAID ONE WALL WITH THEIR SAID BLAST RECEIVING SURFACES DISPOSED IN PLANES INTERSECTING EACH OTHER AT AN ANGLE OF LESS THAN 180 DEGREES, AND (C) MEANS OPERATIVELY CONNECTED WITH SAID WALLS FOR SO MOVING THEM FROM SAID GENERALLY HORIZONTAL POSITION TO SAID ERECTED POSITION.
Claim 2
Dependent Claim
150 words
A RETRACTABLE BLAST DEFLECTOR AND ACOUSTIC BARRIER FOR DEFLECTING THE BLAST AND SOUND FROM THE ENGINES ON AN AIRPLANE, COMPRISING: (A) A PAIR OF WALLS IN A GENERALLY HORIZONTAL POSITION ON THE GROUND, EACH HAVING A BLAST RECEIVING SURFACE ADAPTED TO FACE GENERALLY TOWARD THE BLAST FROM SUCH ENGINES WHEN SAID WALLS ARE IN AN ERECTED POSITION; (B) MEANS SUPPORTING SAID WALLS FOR MOVEMENT THEREOF FROM SAID GENERALLY HORIZONTAL POSITION TO SAID ERECTED POSITION, AND VICE VERSA, AND IN WHICH ERECTED POSITION ONE WALL OF SAID PAIR EXTENDS UPWARDLY FROM THE GROUND AT A SUBSTANTIAL ANGLE RELATIVE TO HORIZONTAL AND SAID OTHER WALL EXTENDS UPWARDLY ABOVE SAID ONE WALL WITH THEIR SAID BLAST RECEIVING SURFACES DISPOSED IN PLANES INTERSECTING EACH OTHER AT AN ANGLE OF LESS THAN 180 DEGREES, AND (C) MEANS OPERATIVELY CONNECTED WITH SAID WALLS FOR SO MOVING THEM FROM SAID GENERALLY HORIZONTAL POSITION TO SAID ERECTED POSITION.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |