US3106874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve actuating structure
Assignee: Bendix Corp
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Filing: 1961-09-08
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Granted: 1963-10-15
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Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
- 👤 Harold B Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:00
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16; B60T13/161; B60T13/162; B60T13/163; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A FLUID PRESSURE CONTROL VALUE: A BODY MEMBER HAVING A FORWARDLY AND REARWARDLY EXTENDING FLUID PRESSURE CHAMBER THEREIN OF PREDETERMINED CROSS SECTION, SAID CHAMBER HAVING A REAR END WALL, SAID REAR END WALL HAVING AN OPENING THEREIN WHOSE CROSS SECTIONAL AREA IS SMALLER THAN THAT OF SAID CHAMBER, A CONTROL MEMBER SLIDABLY RECEIVED IN SAID OPENING, SAID CONTROL MEMBER HAVING A FRONT END SECTION OF A PRESELECTED DIAMETER, A CONTROL PIN SLIDABLY RECEIVED BY SAID CONTROL MEMBER AND PROJECTING INTO SAID CHAMBER, AN ANNULAR BODY OF PRESSURIZABLE ELASTOMERIC MATERIAL POSITIONED AGAINST SAID REAR END WALL AND SURROUNDING SAID CONTROL PIN, AN ANNULAR RIGID WASHER SURROUNDING SAID PIN FORWARDLY OF SAID ANNULAR BODY, SAID WASHER BEING IN ABUTMENT WITH SAID ANNULAR BODY ON A SURFACE OF GREATER DIAMETER THAN SAID FRONT END SECTION, ABUTMENT MEANS PREVENTING FOREWARD
Claim 2
Dependent Claim
137 words
IN A FLUID PRESSURE CONTROL VALUE: A BODY MEMBER HAVING A FORWARDLY AND REARWARDLY EXTENDING FLUID PRESSURE CHAMBER THEREIN OF PREDETERMINED CROSS SECTION, SAID CHAMBER HAVING A REAR END WALL, SAID REAR END WALL HAVING AN OPENING THEREIN WHOSE CROSS SECTIONAL AREA IS SMALLER THAN THAT OF SAID CHAMBER, A CONTROL MEMBER SLIDABLY RECEIVED IN SAID OPENING, SAID CONTROL MEMBER HAVING A FRONT END SECTION OF A PRESELECTED DIAMETER, A CONTROL PIN SLIDABLY RECEIVED BY SAID CONTROL MEMBER AND PROJECTING INTO SAID CHAMBER, AN ANNULAR BODY OF PRESSURIZABLE ELASTOMERIC MATERIAL POSITIONED AGAINST SAID REAR END WALL AND SURROUNDING SAID CONTROL PIN, AN ANNULAR RIGID WASHER SURROUNDING SAID PIN FORWARDLY OF SAID ANNULAR BODY, SAID WASHER BEING IN ABUTMENT WITH SAID ANNULAR BODY ON A SURFACE OF GREATER DIAMETER THAN SAID FRONT END SECTION, ABUTMENT MEANS PREVENTING FOREWARD
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |