US3090552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: International Business Machines Corp
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Filing: 1961-07-03
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Granted: 1963-05-21
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Jerry W Raider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:28
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/13; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B2013/0414
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
FLUID OPERATED POSITIONING APPARATUS RESPONSIVE TO TIMED ELECTRICAL SIGNALS, COMPRISING: A CYLINDER OF PRECALIBRATED CAPACITY FOR CONTAINING FLUID, HAVING AN ENTRANCE AND AN EXIT; A FEED PISTON DISPOSED WITHIN SAID CYLINDER, DRIVE MEANS RESPONSIVE TO CERTAIN OF SAID SIGNALS OPERATIVELY RELATED TO SAID FEED PISTON FOR DRIVING THE SAME TO MOVE THE FLUID CONTAINED THEREIN OUT SAID EXIT; AN ACCUMULATING CYLINDER AND A DRIVER PISTON HAVING A SHAFT FOR CONNECTION TO A LOAD; FLUID CONTACTING MEANS INTERCONNECTING THE EXIT OF SAID PRECALIBRATED CYLINDER AND SAID ACCUMULATING CYLINDER; AND VALVE MEANS OPERATIVELY RELATED WITH SAID FLUID CONDUCTING MEANS AND RESPONSIVE TO THE PRESSURE OF SAID FLUID FOR BLOCKING THE
Claim 2
Dependent Claim
108 words
FLUID OPERATED POSITIONING APPARATUS RESPONSIVE TO TIMED ELECTRICAL SIGNALS, COMPRISING: A CYLINDER OF PRECALIBRATED CAPACITY FOR CONTAINING FLUID, HAVING AN ENTRANCE AND AN EXIT; A FEED PISTON DISPOSED WITHIN SAID CYLINDER, DRIVE MEANS RESPONSIVE TO CERTAIN OF SAID SIGNALS OPERATIVELY RELATED TO SAID FEED PISTON FOR DRIVING THE SAME TO MOVE THE FLUID CONTAINED THEREIN OUT SAID EXIT; AN ACCUMULATING CYLINDER AND A DRIVER PISTON HAVING A SHAFT FOR CONNECTION TO A LOAD; FLUID CONTACTING MEANS INTERCONNECTING THE EXIT OF SAID PRECALIBRATED CYLINDER AND SAID ACCUMULATING CYLINDER; AND VALVE MEANS OPERATIVELY RELATED WITH SAID FLUID CONDUCTING MEANS AND RESPONSIVE TO THE PRESSURE OF SAID FLUID FOR BLOCKING THE
References Cited (Backward Citations)
US2923131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |