US3127050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel construction
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:38
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/02; G21C13/06; G21C13/073; B; B01; B01J; B01J3/00; B01J3/002; G21D; G21D1/00; G21D1/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A PRESSURE VESSEL ADAPTED TO BE OPENED AND CLOSED AND HAVING A BODY MEMBER PROVIED WITH AN OPENING THEREIN, A REMOVABLE CLOSURE MEMBER ARRANGED IN NORMAL OPERATIVE POSITION TO REGISTER WITH AND CLOSE SAID OPENING, EACH OF SAID MEMBERS HAVING A LONGITUDINALLY EXTENDING OUTER SURFACE, AND A SEALING MEMBRANE CIRCUMSCRIBING THE JUNCTION FORMED BETWEEN SAID BODY AND SAID CLOSURE MEMBERS AND WELDED THERETO TO FORM A FLUIDTIGHT SEAL THEREBETWEEN, ONE OF SAID MEMBERS BEING FORMED WITH A CIRCUMFERENTIALLY EXTENDING ANNULAR GROOVE IN THE LONGITUDINALLY EXTENDING OUTER SURFACE THEREOF, SAID GROOVE HAVING A CIRCUMFERENTIAL CENTER LINE LYING IN A SINGLE PLANE AND DEFINING A TRACKWAY SPACED FROM SAID SEALING MEMBRANCE AND ADAPTED TO GUIDE AND SUPPORT A SEAL WELD CUTTING MACHINE THEREIN.
Claim 2
Dependent Claim
122 words
IN A PRESSURE VESSEL ADAPTED TO BE OPENED AND CLOSED AND HAVING A BODY MEMBER PROVIED WITH AN OPENING THEREIN, A REMOVABLE CLOSURE MEMBER ARRANGED IN NORMAL OPERATIVE POSITION TO REGISTER WITH AND CLOSE SAID OPENING, EACH OF SAID MEMBERS HAVING A LONGITUDINALLY EXTENDING OUTER SURFACE, AND A SEALING MEMBRANE CIRCUMSCRIBING THE JUNCTION FORMED BETWEEN SAID BODY AND SAID CLOSURE MEMBERS AND WELDED THERETO TO FORM A FLUIDTIGHT SEAL THEREBETWEEN, ONE OF SAID MEMBERS BEING FORMED WITH A CIRCUMFERENTIALLY EXTENDING ANNULAR GROOVE IN THE LONGITUDINALLY EXTENDING OUTER SURFACE THEREOF, SAID GROOVE HAVING A CIRCUMFERENTIAL CENTER LINE LYING IN A SINGLE PLANE AND DEFINING A TRACKWAY SPACED FROM SAID SEALING MEMBRANCE AND ADAPTED TO GUIDE AND SUPPORT A SEAL WELD CUTTING MACHINE THEREIN.
References Cited (Backward Citations)
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Cited
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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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |