US3310069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural sequentially opening and closing valve mechanism
Assignee: General Electric Co
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Filing: 1964-06-08
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Granted: 1967-03-21
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert N Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:43
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/18; F01D13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/87016; Y10T137/877; Y10T137/87708
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A MULTIPLE VALVE MECHANISM COMPRISING: A HOUSING DEFINING A VALVE INLET CHAMBER AND DEFINING A PLURALITY OF DISCHARGE OUTLETS HAVING VALVE SEATS DISPOSED THEREIN, A LIFT BEAM COMPRISING UPPER AND LOWER VERTICALLY SPACED PLATE MEMBERS DEFINING RESPECTIVELY A PLURALITY OF, UPPER AND LOWER VERTICALLY ALIGNED OPENINGS, A PLURALITY OF VALVE MEMBERS EACH HAVING AN UPPER STEM PORTION DISPOSED IN ONE OF SAID UPPER OPENINGS, A LOWER STEM PORTION DISPOSED IN ONE OF SAID LOWER OPENINGS, A SEATING PORTION ARRANGED TO COOPERATE WITH ONE OF SAID VALVE SEATS, AND AN ENLARGED ABUTMENT PORTION SEPARATING SAID STEM PORTIONS AND DIS-
Claim 2
Dependent Claim
98 words
A MULTIPLE VALVE MECHANISM COMPRISING: A HOUSING DEFINING A VALVE INLET CHAMBER AND DEFINING A PLURALITY OF DISCHARGE OUTLETS HAVING VALVE SEATS DISPOSED THEREIN, A LIFT BEAM COMPRISING UPPER AND LOWER VERTICALLY SPACED PLATE MEMBERS DEFINING RESPECTIVELY A PLURALITY OF, UPPER AND LOWER VERTICALLY ALIGNED OPENINGS, A PLURALITY OF VALVE MEMBERS EACH HAVING AN UPPER STEM PORTION DISPOSED IN ONE OF SAID UPPER OPENINGS, A LOWER STEM PORTION DISPOSED IN ONE OF SAID LOWER OPENINGS, A SEATING PORTION ARRANGED TO COOPERATE WITH ONE OF SAID VALVE SEATS, AND AN ENLARGED ABUTMENT PORTION SEPARATING SAID STEM PORTIONS AND DIS-
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |