Patent US3072065A successfully refreshed from Google Patents.
US3072065A
Expired / Lapsed
US
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Fluid means
Assignee: Individual
•
Filing: 1959-09-08
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Granted: 1963-01-08
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Leland A Borden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:14
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/16; B; B63; B63H; B63H11/00; B63H11/02; B63H11/04; B63H11/08; B63H2011/084; B63H2011/085; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/1957; Y10T74/19623; Y10T74/19642; Y10T74/19698
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A FLUID UNIT OF THE CHARACTER DESCRIBED COMPRISING A HOUSING, A PAIR OF IMPELLERS HAVING HELICAL CONVOLUTIONS IN SAID HOUSING IN MATING RELATIONSHIP THERETO, BEARING MEANS MOUNTING SAID IMPELLERS FOR ROTATION ON SAID HOUSING WITH THE AXIS OF ROTATION OF ONE OF THE IMPELLERS BEING INCLINED WITH RESPECT TO THE AXIS OF ROTATION OF THE OTHER IMPELLER, AND MEANS ADJUSTABLY POSITIONING SAID BEARING MEANS IN SAID HOUSING FOR AXIAL MOVEMENT WITH RESPECT TO SAID IMPELLERS TO ADJUST THE INCLINATION OF THE SHAFTS RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
86 words
A FLUID UNIT OF THE CHARACTER DESCRIBED COMPRISING A HOUSING, A PAIR OF IMPELLERS HAVING HELICAL CONVOLUTIONS IN SAID HOUSING IN MATING RELATIONSHIP THERETO, BEARING MEANS MOUNTING SAID IMPELLERS FOR ROTATION ON SAID HOUSING WITH THE AXIS OF ROTATION OF ONE OF THE IMPELLERS BEING INCLINED WITH RESPECT TO THE AXIS OF ROTATION OF THE OTHER IMPELLER, AND MEANS ADJUSTABLY POSITIONING SAID BEARING MEANS IN SAID HOUSING FOR AXIAL MOVEMENT WITH RESPECT TO SAID IMPELLERS TO ADJUST THE INCLINATION OF THE SHAFTS RELATIVE TO EACH OTHER.
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |