US3226530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid controlled device
Assignee: International Business Machines Corp
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Filing: 1962-06-05
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Granted: 1965-12-28
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Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Greenblott
- 👤 Robert A Comparin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/43; G05B19/44; B; B41; B41J; B41J9/00; B41J9/26; B41J9/34; F; F15; F15C; F15C1/00; F15C1/001; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2202; Y10T137/2218; Y10T137/2229; Y10T137/2234
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A FLUID CONTROLLED DEVICE COMPRISING A DISPLACEABLE MEMBER SUBJECT OPPOSINGLY TO PRESSURES OF FLUID IN ONE PASSAGE AND ANOTHER PASSAGE, AN INLET TO CONVEY PRESSURE FLUID FOR SUPPLY SELECTIVELY TO SAID PASSAGES, A FEEDBACK COMMUNICATION VIA WHICH PRESSURE FLUID CAN FLOW FROM SAID OTHER PASSAGE TO A POINT INTERMEDIATE SAID INLET AND OTHER PASSAGE TO EFFECT CUT OFF OF SUPPLY OF PRESSURE FLUID TO SAID OTHER PASAGE AND EFFECT SUPPLY OF PRESSURE FLUID TO SAID ONE PASSAGE, AND A VALVE CONTROLLED BY SAID MEMBER FOR ESTABLISHING SAID COMMUNICATION WHENEVER PRESSURE FLUID IS SUPPLIED TO SAID OTHER PASSAGE, WHEREBY SAID MEMBER WILL REMAIN ONLY TERMPORARILY IN COMMUNCATION-ESTABLISHING POSITION.
Claim 2
Dependent Claim
107 words
A FLUID CONTROLLED DEVICE COMPRISING A DISPLACEABLE MEMBER SUBJECT OPPOSINGLY TO PRESSURES OF FLUID IN ONE PASSAGE AND ANOTHER PASSAGE, AN INLET TO CONVEY PRESSURE FLUID FOR SUPPLY SELECTIVELY TO SAID PASSAGES, A FEEDBACK COMMUNICATION VIA WHICH PRESSURE FLUID CAN FLOW FROM SAID OTHER PASSAGE TO A POINT INTERMEDIATE SAID INLET AND OTHER PASSAGE TO EFFECT CUT OFF OF SUPPLY OF PRESSURE FLUID TO SAID OTHER PASAGE AND EFFECT SUPPLY OF PRESSURE FLUID TO SAID ONE PASSAGE, AND A VALVE CONTROLLED BY SAID MEMBER FOR ESTABLISHING SAID COMMUNICATION WHENEVER PRESSURE FLUID IS SUPPLIED TO SAID OTHER PASSAGE, WHEREBY SAID MEMBER WILL REMAIN ONLY TERMPORARILY IN COMMUNCATION-ESTABLISHING POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |