US3110319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High vacuum valve
Assignee: Shinko Seiki Co Ltd
•
Filing: 1962-01-15
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Granted: 1963-11-12
•
Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Arata Yoshiaki
- 👤 Prefecture Hyogo
- 👤 Yamazoe Masao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:20
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/10; F16K51/00; F16K51/02; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4621; Y10T137/6416; Y10T137/6579; Y10T137/6606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A VALVE COMPRISING A HOUSING HAVING AN INLET AND OUTLET, AN ANNULAR HORIZONTALLY-DISPOSED VALVE SEAT IN SAID HOUSING, SAID VALVE SEAT SURROUNDING AN OPENING AFFORDING COMMUNICATION BETWEEN THE INLET AND OUTLET AND HAVING AN ANNULAR TROUGH, A LIQUEFYABLE MATERIAL IN SAID TROUGH, AN ANNULAR VALVE BODY HAVING A TAPERED END PORTION, A VALVE STEM OPERABLE TO MOVE SAID VALVE BODY INTO SAID MATERIAL TO INTERRUPT COMMUNICATION BETWEEN SAID INLET AND OUTLET, A HEATING ELEMENT CARRIED BY SAID VALVE BODY IN CLOSE ASSOCIATION WITH SAID TAPERED END PORTION FOR RAPID TRANSFER OF HEAT THERETO, AND MEANS INCLUDING A FLUID INJECTOR FOR RAPIDLY COOLING SAID HEATING ELEMENT AND TAPERED END PORTION, SAID TAPERED END PORTION UPON BEING HEATED BY SAID HEATING ELEMENT AND MOVED INTO CONTACT WITH SAID LIQUEFYABLE MATERIAL MELTING THAT PORTION OF SAID MATERIAL ADJACENT SAID END PORTION TO PERMIT SAID END PORTION TO IMBED ITSELF THEREIN AND THEN UPON BEING COOLED, SOLIDIFYING SAID MATERIAL AND EFFECTING A SEAL.
Claim 2
Dependent Claim
159 words
A VALVE COMPRISING A HOUSING HAVING AN INLET AND OUTLET, AN ANNULAR HORIZONTALLY-DISPOSED VALVE SEAT IN SAID HOUSING, SAID VALVE SEAT SURROUNDING AN OPENING AFFORDING COMMUNICATION BETWEEN THE INLET AND OUTLET AND HAVING AN ANNULAR TROUGH, A LIQUEFYABLE MATERIAL IN SAID TROUGH, AN ANNULAR VALVE BODY HAVING A TAPERED END PORTION, A VALVE STEM OPERABLE TO MOVE SAID VALVE BODY INTO SAID MATERIAL TO INTERRUPT COMMUNICATION BETWEEN SAID INLET AND OUTLET, A HEATING ELEMENT CARRIED BY SAID VALVE BODY IN CLOSE ASSOCIATION WITH SAID TAPERED END PORTION FOR RAPID TRANSFER OF HEAT THERETO, AND MEANS INCLUDING A FLUID INJECTOR FOR RAPIDLY COOLING SAID HEATING ELEMENT AND TAPERED END PORTION, SAID TAPERED END PORTION UPON BEING HEATED BY SAID HEATING ELEMENT AND MOVED INTO CONTACT WITH SAID LIQUEFYABLE MATERIAL MELTING THAT PORTION OF SAID MATERIAL ADJACENT SAID END PORTION TO PERMIT SAID END PORTION TO IMBED ITSELF THEREIN AND THEN UPON BEING COOLED, SOLIDIFYING SAID MATERIAL AND EFFECTING A SEAL.
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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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |