Patent US3070956A successfully refreshed from Google Patents.
US3070956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swinging gate for jet boat
Assignee: Buehler Corp
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Filing: 1961-03-02
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Granted: 1963-01-01
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Expires: 1981-03-02
Abstract
No abstract record available.
Inventors
- 👤 Warren C Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:07
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/02; B63H11/10; B63H11/107; B63H11/11
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A DIRECTION CONTROL SYSTEM FOR WATERCRAFT COMPRISING A CONDUIT MOUNTED ON THE CRAFT AND HAVING AN EXIT OPENING REARWARDLY THEREOF, MEANS FOR PUMPING WATER THROUGH SAID CONDUIT TOWARD THE EXIT THEREOF, A GATE MOUNTED UPON SAID CRAFT FOR PIVOTING ABOUT A VERTICAL AXIS, A PORTION OF SAID GATE HAVING A GENERALLY ARCUATE SHAPE AND BEING LOCATED SO AS TO MOVE OUTSIDE OF THE CONDUIT AND PAST THE EXIT OF SAID CONDUIT, SAID ARCUATE PORTION BEING SO PROPORTIONED THAT IN ONE PIVOTAL POSITION SAID GATE DOES NOT AFFECT FLOW FROM SAID EXIT AND REARWARD PROJECTION OF SAID WATER IS PERMITTED AND IN A FURTHER POSITION THE WATER IS REDIRECTED IN A DIRECTION FORWARD OF THE CRAFT.
References Cited (Backward Citations)
US340237A
Cited
GB190514631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |