US2695254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal end closure for thermally insulated conduits
Assignee: Individual
•
Filing: 1953-04-20
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Granted: 1954-11-23
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Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Alexander H Isenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:26
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; F16L59/16; F16L59/166
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A CLOSED TERMINAL END OF A THERMALLY INSULATED PIPE CONDUIT COMPRISING THE END PORTION OF A RELATIVELY HEAVY CONVEYOR PIPE, A LAYER OF THERMAL INSULATION MATERIAL CIRCUMFERENTIALLY ENCLOSING THE CONVEYOR PIPE AND TERMINATING IN SPACED RELATION TO AN ADJACENT END THEREOF, A LAYER OF MOISTURE IMPREVIOUS MATERIAL SURROUNDING SAID INSULATION LAYER, SAID MOISTURE IMPREVIOUS LAYER BEING POURABLE UPON HEATING AND CONGEALING UPON COOLING, AN OUTER CASING SURROUNDING THE MOISTURE IMPREVIOUS LAYER AND EXTENDING BEYOND THE END THEREOF PROVIDING A CIRCUMFERENTIAL SPACE BEYOND THE END OF THE MOISTURE IMPREVIOUS LAYER AND BETWEEN THE AFORESAID LAYER OF THEREMAL INSULATION AND THE OUTER CASING, A CIRCUMFERENTIAL LAYER OF THERMAL INSULATING MATERIAL IN SAID SPACED BEYOND THE END OF THE MOISTURE
Claim 2
Dependent Claim
117 words
A CLOSED TERMINAL END OF A THERMALLY INSULATED PIPE CONDUIT COMPRISING THE END PORTION OF A RELATIVELY HEAVY CONVEYOR PIPE, A LAYER OF THERMAL INSULATION MATERIAL CIRCUMFERENTIALLY ENCLOSING THE CONVEYOR PIPE AND TERMINATING IN SPACED RELATION TO AN ADJACENT END THEREOF, A LAYER OF MOISTURE IMPREVIOUS MATERIAL SURROUNDING SAID INSULATION LAYER, SAID MOISTURE IMPREVIOUS LAYER BEING POURABLE UPON HEATING AND CONGEALING UPON COOLING, AN OUTER CASING SURROUNDING THE MOISTURE IMPREVIOUS LAYER AND EXTENDING BEYOND THE END THEREOF PROVIDING A CIRCUMFERENTIAL SPACE BEYOND THE END OF THE MOISTURE IMPREVIOUS LAYER AND BETWEEN THE AFORESAID LAYER OF THEREMAL INSULATION AND THE OUTER CASING, A CIRCUMFERENTIAL LAYER OF THERMAL INSULATING MATERIAL IN SAID SPACED BEYOND THE END OF THE MOISTURE
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) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |