Patent US3279180A successfully refreshed from Google Patents.
US3279180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propulsion unit
Assignee: SHIPELLE Ltd
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Filing: 1964-12-22
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Granted: 1966-10-18
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Expires: 1984-12-22
Abstract
No abstract record available.
Inventors
- 👤 Mcilwraith William Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:38
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/02; B63H11/10; B63H11/107; B63H11/117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A JET PROPULSION UNIT, A HOUSING TO RECEIVE A ROTARY IMPELLER AND DEFINING A FORE-AND-AFT CONDUIT FORMED WITH A FRONT INLET, A REAR OUTLET AND A BASE OPENING LOCATED BETWEEN SAID IMPELLER AND SAID REAR OUTLET, A PIVOTAL VANE MOUNTED AT THE REAR OF THE HOUSING TO CONTROL FLUID FLOW THROUGH SAID REAR OUTLET AND SO EFFECT STEERING, MEANS TO EFFECT TURNING OF SAID VANE, A LATERAL FLANGE PROVIDED AT THE BASE OF SAID VANE TO EXTEND FORWARDLY AND COVER SAID BASE OPENING WHEN THE VANE IS IN A NEUTRALDRIVE POSITION ACROSS SAID CONDUIT TO CLOSE SAID REAR OUTLET, AND A FLAP MOUNTED AT SAID OPENING TO DIRECT FORWARDLY FLUID FLOW FROM SAID BASE OPENING WHEN THE VANE IS IN A REVERSE DRIVE POSITION ACROSS SAID CONDUIT TO CLOSE SAID REAR OUTLET AND WITH SAID FLANGE EXTENDING REARWARDLY.
Claim 2
Dependent Claim
139 words
IN A JET PROPULSION UNIT, A HOUSING TO RECEIVE A ROTARY IMPELLER AND DEFINING A FORE-AND-AFT CONDUIT FORMED WITH A FRONT INLET, A REAR OUTLET AND A BASE OPENING LOCATED BETWEEN SAID IMPELLER AND SAID REAR OUTLET, A PIVOTAL VANE MOUNTED AT THE REAR OF THE HOUSING TO CONTROL FLUID FLOW THROUGH SAID REAR OUTLET AND SO EFFECT STEERING, MEANS TO EFFECT TURNING OF SAID VANE, A LATERAL FLANGE PROVIDED AT THE BASE OF SAID VANE TO EXTEND FORWARDLY AND COVER SAID BASE OPENING WHEN THE VANE IS IN A NEUTRALDRIVE POSITION ACROSS SAID CONDUIT TO CLOSE SAID REAR OUTLET, AND A FLAP MOUNTED AT SAID OPENING TO DIRECT FORWARDLY FLUID FLOW FROM SAID BASE OPENING WHEN THE VANE IS IN A REVERSE DRIVE POSITION ACROSS SAID CONDUIT TO CLOSE SAID REAR OUTLET AND WITH SAID FLANGE EXTENDING REARWARDLY.
References Cited (Backward Citations)
US3135091A
Cited
US3185124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |