US3208470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation for a cryogenic valve
Assignee: MCC Holdings Inc
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Filing: 1963-02-28
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Granted: 1965-09-28
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Robert J Lidgard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/06; F16K27/067; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN INSULATION FOR A BALL TYPE VALVE INCLUDING A BODY, A BALL ROTATABLY MOUNTED IN SAID BODY, SAID BODY HAVING AN INTAKE AND AN OUTLET PORT THEREIN, BOTH OF SAID PORTS EXTENDING TO THE BALL; SAID BODY HAVING AN APERTURE THEREIN IN WHICH THE BALL IS MOUNTED, AN OUTWARDLY EXTENDING WALL DEFINING SAID APERTURE, A BONNET DETACHABLY SECURED TO THE WALL AND CLOSING ONE END OF THE APERTURE, A VALVE STEM EXTENDING THROUGH THE BONNET AND CONNECTED TO THE BALL TO ROTATE THE SAME, A CHAMBER MEANS IN SAID APERTURE, SAID CHAMBER SURROUNDING THE STEM DIRECTLY AND POSITIONED BELOW THE BONNET, SAID CHAMBER MEANS BEING DEFINED BY AN OUTER RING AND AN INNER SLEEVE AND A BOTTOM WALL, SAID RING AND SLEEVE BEING ATTACHED AT ONE END TO THE BONNET AND AT THE OTHER ENDS TO THE BOTTOM WALL.
Claim 2
Dependent Claim
139 words
AN INSULATION FOR A BALL TYPE VALVE INCLUDING A BODY, A BALL ROTATABLY MOUNTED IN SAID BODY, SAID BODY HAVING AN INTAKE AND AN OUTLET PORT THEREIN, BOTH OF SAID PORTS EXTENDING TO THE BALL; SAID BODY HAVING AN APERTURE THEREIN IN WHICH THE BALL IS MOUNTED, AN OUTWARDLY EXTENDING WALL DEFINING SAID APERTURE, A BONNET DETACHABLY SECURED TO THE WALL AND CLOSING ONE END OF THE APERTURE, A VALVE STEM EXTENDING THROUGH THE BONNET AND CONNECTED TO THE BALL TO ROTATE THE SAME, A CHAMBER MEANS IN SAID APERTURE, SAID CHAMBER SURROUNDING THE STEM DIRECTLY AND POSITIONED BELOW THE BONNET, SAID CHAMBER MEANS BEING DEFINED BY AN OUTER RING AND AN INNER SLEEVE AND A BOTTOM WALL, SAID RING AND SLEEVE BEING ATTACHED AT ONE END TO THE BONNET AND AT THE OTHER ENDS TO THE BOTTOM WALL.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |