Patent US3327892A successfully refreshed from Google Patents.
US3327892A
Expired / Lapsed
US
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Closure means for tubular members
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1962-06-04
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Granted: 1967-06-27
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Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 Lloyd Henry
- 👤 Cobb Harold Ralph William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:10
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/10; B; B23; B23K; B23K1/00; B23K1/20; B23K2101/00; B23K2101/04; B23K2101/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AND END SEALING JOINT FOR A TUBULAR MEMBER CMPRISING IN COMBINATION A TUBULAR MEMBER, A CUP SHAPED CLOSURE MEMBER HAVING A BOTTOM PORTION AND A TUBULAR SIDE WALL DISPOSED WITHIN SAID TUBULAR MEMBER, SAID CUP SHAPED CLOSURE MEMBER HAVING ITS OPEN END SUBSTANTIALLY COPLANAR WITH AN END OF THE TUBULAR MEMBER, AND THE PERIPHERAL AREA OF THE CLOSURE MEMBER SIDE WALL ADJACENT ITS OPEN END IN CONTACT WITH SAID TUBULAR MEMBER, SAID COPLANAR ENDS BEING SEAM WELDED TOGETHER, THE TUBULAR SIDE WALL OF SAID CUP SHAPED CLOSURE MEMBER HAVING AN ANNULAR RECESS AT THE END ADJACENT SAID BOTTOM PORTION, A TUBULAR CAPILLARY FILM OF BRAZE METAL POSITIONED WITHIN
Claim 2
Dependent Claim
108 words
AND END SEALING JOINT FOR A TUBULAR MEMBER CMPRISING IN COMBINATION A TUBULAR MEMBER, A CUP SHAPED CLOSURE MEMBER HAVING A BOTTOM PORTION AND A TUBULAR SIDE WALL DISPOSED WITHIN SAID TUBULAR MEMBER, SAID CUP SHAPED CLOSURE MEMBER HAVING ITS OPEN END SUBSTANTIALLY COPLANAR WITH AN END OF THE TUBULAR MEMBER, AND THE PERIPHERAL AREA OF THE CLOSURE MEMBER SIDE WALL ADJACENT ITS OPEN END IN CONTACT WITH SAID TUBULAR MEMBER, SAID COPLANAR ENDS BEING SEAM WELDED TOGETHER, THE TUBULAR SIDE WALL OF SAID CUP SHAPED CLOSURE MEMBER HAVING AN ANNULAR RECESS AT THE END ADJACENT SAID BOTTOM PORTION, A TUBULAR CAPILLARY FILM OF BRAZE METAL POSITIONED WITHIN
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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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |