US3369776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Revolving jet air intake guard
Assignee: JOSEPH HARLON PURYEAR
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Filing: 1965-10-18
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Granted: 1968-02-20
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Puryear Joseph Harlon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:23
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/05; F02C7/055; B; B64; B64D; B64D33/00; B64D33/02; B64D2033/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN AN AIRCRAFT JET ENGINE, A JET AIR INTAKE FOR FILTERING OUT DEBRIS COMPRISING, IN COMBINATION; A CASING FOR SAID ENGINE FORMING A PRIMARY AIR INTAKE AT THE FORWARD END THEREOF, SAID CAUSING HAVING AUXILIARY AIR INTAKE HOLES, A METAL SHAFT ROTATABLY MOUNTED AT EITHER END WITHIN SAID CASING AND EXTENDING ACROSS SAID PRIMARY INTAKE, A HOLLOW BALL MOUNTED ON SAID SHAFT FOR ROTATION THEREWITH, SAID BALL INCLUDING A PLURALITY OF HOLES THROUGH WHICH AIR MAY PASS AND A PLURALITY OF METAL SPEARS MOUNTED THEREON, A GRILL MOUNTED ON SAID CASING AND EXTENDING UPSTREAM OF SAID BALL ACROSS SAID PRIMARY INTAKE, A MOTOR HAVING A PLURALITY OF FOWARD SPEEDS AND ONE REVERSE SPEED TO DRIVE SAID SHAFT, TWO CHAIN SPROCKETS MOUNTED ON SAID MOTOR AND SAID SHAFT RESPECTIVELY, AND A SMALL LINK CHAIN JOINING AND SPROCKETS FOR DRIVING SAID SHAFT.
Claim 2
Dependent Claim
140 words
IN AN AIRCRAFT JET ENGINE, A JET AIR INTAKE FOR FILTERING OUT DEBRIS COMPRISING, IN COMBINATION; A CASING FOR SAID ENGINE FORMING A PRIMARY AIR INTAKE AT THE FORWARD END THEREOF, SAID CAUSING HAVING AUXILIARY AIR INTAKE HOLES, A METAL SHAFT ROTATABLY MOUNTED AT EITHER END WITHIN SAID CASING AND EXTENDING ACROSS SAID PRIMARY INTAKE, A HOLLOW BALL MOUNTED ON SAID SHAFT FOR ROTATION THEREWITH, SAID BALL INCLUDING A PLURALITY OF HOLES THROUGH WHICH AIR MAY PASS AND A PLURALITY OF METAL SPEARS MOUNTED THEREON, A GRILL MOUNTED ON SAID CASING AND EXTENDING UPSTREAM OF SAID BALL ACROSS SAID PRIMARY INTAKE, A MOTOR HAVING A PLURALITY OF FOWARD SPEEDS AND ONE REVERSE SPEED TO DRIVE SAID SHAFT, TWO CHAIN SPROCKETS MOUNTED ON SAID MOTOR AND SAID SHAFT RESPECTIVELY, AND A SMALL LINK CHAIN JOINING AND SPROCKETS FOR DRIVING SAID SHAFT.
References Cited (Backward Citations)
US3121545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |