US3322142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for low temperature service
Assignee: AW Cash Co
•
Filing: 1964-08-25
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Granted: 1967-05-30
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Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Hans D Baumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:11
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1262; G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0655; G05D16/0658; Y; Y10; Y10T; Y10T137/00; Y10T137/6416
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A VALVE, COMPRISING (A) A MAIN HOUSING HAVING A CHAMBER WITH INLET AND OUTLET PORTS AND WITH A VALVE SEAT, THE HOUSING HAVING A VALVE STEM OPENING, (B) A CONTROL HOUSING HAVING A CHAMBER WITH A DIAPHRAGM WITH A REGULATING PORT ENTERING THE CHAMBER ON ONE SIDE OF THE DIAPHRAGM AND WITH A VALVE STEM OPENING ON ONE SIDE OF THE DIAPHRAGM, (C) AN ELONGATED VALVE STEM HAVING ONE END CONNECTED TO THE DIAPHRAGM, EXTENDING THROUGH THE VALVE STEM OPENING OF THE CONTROL HOUSING AND THROUGH THE VALVE STEM OPENING OF THE MAIN HOUSING, AND HAVING ITS OTHER END LOCATED ADJACENT THE VALVE SEAT, (D) AN ELONGATED TUBE OF LOW-HEAT TRANSFER MATERIAL JOINING THE VALVE STEM OPENINGS OF THE HOUSINGS AND SURROUNDING THE VALVE STEM,
Claim 2
Dependent Claim
125 words
A VALVE, COMPRISING (A) A MAIN HOUSING HAVING A CHAMBER WITH INLET AND OUTLET PORTS AND WITH A VALVE SEAT, THE HOUSING HAVING A VALVE STEM OPENING, (B) A CONTROL HOUSING HAVING A CHAMBER WITH A DIAPHRAGM WITH A REGULATING PORT ENTERING THE CHAMBER ON ONE SIDE OF THE DIAPHRAGM AND WITH A VALVE STEM OPENING ON ONE SIDE OF THE DIAPHRAGM, (C) AN ELONGATED VALVE STEM HAVING ONE END CONNECTED TO THE DIAPHRAGM, EXTENDING THROUGH THE VALVE STEM OPENING OF THE CONTROL HOUSING AND THROUGH THE VALVE STEM OPENING OF THE MAIN HOUSING, AND HAVING ITS OTHER END LOCATED ADJACENT THE VALVE SEAT, (D) AN ELONGATED TUBE OF LOW-HEAT TRANSFER MATERIAL JOINING THE VALVE STEM OPENINGS OF THE HOUSINGS AND SURROUNDING THE VALVE STEM,
References Cited (Backward Citations)
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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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |