US3146033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch valve for pipe lines
Assignee: Svenska Flaktfabriken AB
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Filing: 1962-05-09
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Granted: 1964-08-25
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Expires: 1982-05-09
Abstract
No abstract record available.
Inventors
- 👤 Larsson Gustaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:26
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/52; B65G53/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SWITCH VALVE ASSEMBLY FOR PIPE LINES, COMPRISING IN COMBINATION, A COMMON PIPE AT ONE END OF THE ASSEMBLY, A PLURALITY OF PIPES AT THE OTHER END OF THE ASSEMBLY SPACED AXIALLY FROM SAID COMMON PIPE, A SWITCH PIPE MOUNTED FOR CIRCUMFERENTIAL TURNING AND SWINGING MOVEMENT BETWEEN AXIALLY SPACED PARALLEL JOINT PLANES TO SHIFT THE FLOW BETWEEN SAID COMMON PIPE AT ONE END AND SAID PLURALITY OF PIPES AT THE OTHER END, A CONCENTRIC TURNING JOINT BETWEEN SAID SWITCH PIPE AND SAID COMMON PIPE, AND A PLANE SEALING JOINT FOR THE SWINGING END OF SAID SWITCH PIPE, SAID PLANE SEALING JOINT INCLUDING AN END WALL SECURED TO SAID PLURALITY OF PIPES, A RESILIENT PLATE SECURED IN SPACED RELATION TO SAID RIGID PLATE, SEALING MEANS BETWEEN SAID RESILIENT PLATE AND SAID END WALL
Claim 2
Dependent Claim
132 words
A SWITCH VALVE ASSEMBLY FOR PIPE LINES, COMPRISING IN COMBINATION, A COMMON PIPE AT ONE END OF THE ASSEMBLY, A PLURALITY OF PIPES AT THE OTHER END OF THE ASSEMBLY SPACED AXIALLY FROM SAID COMMON PIPE, A SWITCH PIPE MOUNTED FOR CIRCUMFERENTIAL TURNING AND SWINGING MOVEMENT BETWEEN AXIALLY SPACED PARALLEL JOINT PLANES TO SHIFT THE FLOW BETWEEN SAID COMMON PIPE AT ONE END AND SAID PLURALITY OF PIPES AT THE OTHER END, A CONCENTRIC TURNING JOINT BETWEEN SAID SWITCH PIPE AND SAID COMMON PIPE, AND A PLANE SEALING JOINT FOR THE SWINGING END OF SAID SWITCH PIPE, SAID PLANE SEALING JOINT INCLUDING AN END WALL SECURED TO SAID PLURALITY OF PIPES, A RESILIENT PLATE SECURED IN SPACED RELATION TO SAID RIGID PLATE, SEALING MEANS BETWEEN SAID RESILIENT PLATE AND SAID END 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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |