Patent US3140852A successfully refreshed from Google Patents.
US3140852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically actuated valve
Assignee: Individual
•
Filing: 1960-01-18
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Granted: 1964-07-14
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Herzog Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:47
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/025; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/1921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
AN ELECTRICALLY ACTUATED VALVE COMPRISING WALLS ENCLOSING A CHAMBER, A DIAPHRAGM STRETCHED ACROSS SAID CHAMBER HAVING A CENTRAL RIGID DISC PORTION AND AN ANNULAR BULGING PORTION OF FLEXIBLE MATERIAL, A TUBULAR EXTENSION DEFINED IN A WALL OPPOSITE SAID FLEXIBLE DIAPHRAGM, A VALVE HAVING A MOVABLE CLOSURE MEMBER, A PISTON OF SMALLER DIAMETER THAN SAID FLEXIBLE DIAPHRAGM CONNECTED TO SAID CLOSURE MEMBER AND RECIPROCABLE IN SAID TUBULAR EXTENSION TO ACTUATE SAID MOVABLE CLOSURE MEMBER, MEANS TO BIAS SAID PISTON AND SAID CLOSURE MEMBER, IN A DIRECTION TOWARD SAID FLEXIBLE DIAPHRAGM, A LIQUID DISPOSED IN SAID CHAMBER BETWEEN SAID FLEXIBLE DIAPHRAGM AND SAID PISTON, A VAPOR-
Claim 2
Dependent Claim
104 words
AN ELECTRICALLY ACTUATED VALVE COMPRISING WALLS ENCLOSING A CHAMBER, A DIAPHRAGM STRETCHED ACROSS SAID CHAMBER HAVING A CENTRAL RIGID DISC PORTION AND AN ANNULAR BULGING PORTION OF FLEXIBLE MATERIAL, A TUBULAR EXTENSION DEFINED IN A WALL OPPOSITE SAID FLEXIBLE DIAPHRAGM, A VALVE HAVING A MOVABLE CLOSURE MEMBER, A PISTON OF SMALLER DIAMETER THAN SAID FLEXIBLE DIAPHRAGM CONNECTED TO SAID CLOSURE MEMBER AND RECIPROCABLE IN SAID TUBULAR EXTENSION TO ACTUATE SAID MOVABLE CLOSURE MEMBER, MEANS TO BIAS SAID PISTON AND SAID CLOSURE MEMBER, IN A DIRECTION TOWARD SAID FLEXIBLE DIAPHRAGM, A LIQUID DISPOSED IN SAID CHAMBER BETWEEN SAID FLEXIBLE DIAPHRAGM AND SAID PISTON, A VAPOR-
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |