Patent US3565546A successfully refreshed from Google Patents.
US3565546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind motor
Assignee: Individual
•
Filing: 1969-07-31
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Granted: 1971-02-23
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Expires: 1989-07-31
Abstract
Abstract A HOLLOW TURNCATED BODY OF CIRCULAR CROSS SECTION THROUGHOUT ITS HEIGHT IS PROVIDED AT SPACED POINTS THEREAROUND WITH VANES ADAPTED TO SWING FREELY OUTWARDLY TO TRANSMIT WIND POWER TO THE BODY AT ONE SIDE THEREOF AND TO FOLD INTO PROXIMITY TO THE OTHER SIDE OF THE BODY TO SUBSTANTIALLY ELIMINATE THE TRANSMISSION OF ANY ROTATIONAL FORCE TO THE BODY. OUTWARD SWINGING MOVEMENT OF THE VANES IS LIMITED BY RESILIENT MEANS ADAPTED TO "GIVE" UNDER HIGH WIND VELOCITIES TO "SPILL" SOME OF THE WIND FROM THE VANES AND THUS PREVENT DAMAGE TO THE PARTS. THE BODY IS ADAPTED TO RRANSMIT ROTATIONAL FORCES TO AN AXIAL POWER TAKEOFF SHAFT AT THE BOTTOM THEREOF.
Inventors
- 👤 John L Shanahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:01
CPC Classifications
F; F03; F03D; F03D3/00; F03D3/06; F03D3/062; F03D3/066; F03D3/067; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/74
Claims Analysis
Total Claims: 0
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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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |