Patent US3073328A successfully refreshed from Google Patents.
US3073328A
Expired / Lapsed
US
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Helicopter speed control system
Assignee: Curtiss Wright Corp
•
Filing: 1959-01-02
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Granted: 1963-01-15
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Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Charles W Chillson
- 👤 Edward K Hine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:04
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/32; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1007; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN COMBINATION, GOVERNOR MECHANISM FOR CONTROLLING THE SPEED OF A PRIME MOVER, THE GOVERNOR MECHANISM INCLUDING MEANS FOR ADJUSTING THE SPEED SETTING THEREOF, A MECHANICAL LINKAGE MEANS WHICH INCLUDES AN OUTPUT SHAFT AND AN INPUT SHAFT ROTATABLE BY THE GOVERNOR MECHANISM, SAID INPUT SHAFT BEING ADAPTED TO OPERATE SAID OUTPUT SHAFT, A CONTROL ELEMENT CONNECTED TO SAID LINKAGE MEANS AND ADAPTED TO MANUALLY OPERATE SAID OUTPUT SHAFT, SELECTOR MEANS OPERATED IN CONJUNCTION WITH SAID CONTROL ELEMENT TO SWITCH THE OPERATION OF SAID OUTPUT SHAFT FROM SAID INPUT SHAFT TO SAID CONTROL ELEMENT AND VICE VERSA, AND MEANS FOR CONNECTING SAID INPUT SHAFT TO SAID SPEED
Claim 2
Dependent Claim
105 words
IN COMBINATION, GOVERNOR MECHANISM FOR CONTROLLING THE SPEED OF A PRIME MOVER, THE GOVERNOR MECHANISM INCLUDING MEANS FOR ADJUSTING THE SPEED SETTING THEREOF, A MECHANICAL LINKAGE MEANS WHICH INCLUDES AN OUTPUT SHAFT AND AN INPUT SHAFT ROTATABLE BY THE GOVERNOR MECHANISM, SAID INPUT SHAFT BEING ADAPTED TO OPERATE SAID OUTPUT SHAFT, A CONTROL ELEMENT CONNECTED TO SAID LINKAGE MEANS AND ADAPTED TO MANUALLY OPERATE SAID OUTPUT SHAFT, SELECTOR MEANS OPERATED IN CONJUNCTION WITH SAID CONTROL ELEMENT TO SWITCH THE OPERATION OF SAID OUTPUT SHAFT FROM SAID INPUT SHAFT TO SAID CONTROL ELEMENT AND VICE VERSA, AND MEANS FOR CONNECTING SAID INPUT SHAFT TO SAID SPEED
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |