Patent US802087A successfully refreshed from Google Patents.
Patent US3230840A successfully refreshed from Google Patents.
US3230840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated device
Assignee: Individual
•
Filing: 1963-05-22
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Granted: 1966-01-25
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Elliott F Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:16
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/18; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F01C1/3446; F02; F02B; F02B53/00; F03; F03C; F03C2/00; F03C2/30; F02B2730/00; F02B2730/01; F02B2730/012; F04; F04C; F04C18/00; F04C18/30; F04C18/34; F04C18/344; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3446; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A FLUID OPERATED DEVICE COMPRISING: A CASING MEMBER INCLUDING AN ENCOMPASSING SIDEWALL HAVING A LOBE FORMED ON THE INNER SURFACE THEREOF; A ROTOR MEMBR ROTATABLY MOUNTED CONCENTRICALLY IN SAID CASING AND FORMING A FLUID CHAMBER WITH SAID SIDEWALL AND SAID LOBE; VANE MEANS SLIDABLY MOUNTED IN SLOT MEANS IN SAID ROTOR, SAID VANE MEANS BEING ADAPTED TO CYCLICALLY EXTEND INTO SAID FLUID CHAMBER AND RETRACT INTO SAID ROTOR AS SAID ROTOR MOVES PAST SAID LOBE; FLUID INLET PASSAGE MEANS CONNECTED TO SAID CHAMBER FOR ADMITTING A FLUID UNDER PRESSURE THERETO; AND FLUID OUTLET PASSAGE MEANS CONNECTED TO SAID CHAMBER FOR EXHAUSTING FLUID THEREFROM; THE CENTRAL PLANE OF SAID SLOT MEANS BEING OFFSET FROM THE PARALLEL LONGITUDINAL PLANE PASSING THROUGH THE AXIS OF SAID ROTOR MEMBER IN THE DIRECTION OF THE SIDE OF SAID VANE MEANS PRESSURIZED THROUGH SAID INLET PASSAGE MEANS; SAID CASING MEMBER AND SAID ROTOR MEMBER BEING ROTATABLY MOUNTED RELATIVE TO EACH OTHER WITH ONE OF THE MEMBERS BEING FIXED AND THE OTHER BEING DRIVEN BY THE FLUID FORCE ON SAID VANE MEANS AND SAID LOBE.
Claim 2
Dependent Claim
178 words
A FLUID OPERATED DEVICE COMPRISING: A CASING MEMBER INCLUDING AN ENCOMPASSING SIDEWALL HAVING A LOBE FORMED ON THE INNER SURFACE THEREOF; A ROTOR MEMBR ROTATABLY MOUNTED CONCENTRICALLY IN SAID CASING AND FORMING A FLUID CHAMBER WITH SAID SIDEWALL AND SAID LOBE; VANE MEANS SLIDABLY MOUNTED IN SLOT MEANS IN SAID ROTOR, SAID VANE MEANS BEING ADAPTED TO CYCLICALLY EXTEND INTO SAID FLUID CHAMBER AND RETRACT INTO SAID ROTOR AS SAID ROTOR MOVES PAST SAID LOBE; FLUID INLET PASSAGE MEANS CONNECTED TO SAID CHAMBER FOR ADMITTING A FLUID UNDER PRESSURE THERETO; AND FLUID OUTLET PASSAGE MEANS CONNECTED TO SAID CHAMBER FOR EXHAUSTING FLUID THEREFROM; THE CENTRAL PLANE OF SAID SLOT MEANS BEING OFFSET FROM THE PARALLEL LONGITUDINAL PLANE PASSING THROUGH THE AXIS OF SAID ROTOR MEMBER IN THE DIRECTION OF THE SIDE OF SAID VANE MEANS PRESSURIZED THROUGH SAID INLET PASSAGE MEANS; SAID CASING MEMBER AND SAID ROTOR MEMBER BEING ROTATABLY MOUNTED RELATIVE TO EACH OTHER WITH ONE OF THE MEMBERS BEING FIXED AND THE OTHER BEING DRIVEN BY THE FLUID FORCE ON SAID VANE MEANS AND SAID LOBE.
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |