US3211215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchangers suitable for space use
Assignee: Motors Liquidation Co
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Filing: 1961-02-01
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Granted: 1965-10-12
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Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 Curtis L Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:13
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/46; B64G1/50; F; F24; F24S; F24S10/00; F24S10/70; F24S10/75; F24S10/753; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/14; F28F1/22; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A HEAT EXCHANGER ARRANGEMENT COMPRISING A SHELL AND HEAT EXCHANGER, SAID SHELL HAVING AN INSIDE SURFACE RESTRAINING SAID HEAT EXCHANGER WITHIN IT, MEANS FOR RELEASING SAID SHELL FROM SAID HEAT EXCHANGER, SAID HEAT EXCHANGER COMPRISING A THIN RESILIENT METALLIC SHEET AND RELATIVELY THICK TUBES FIXED TO THE LATTER, OPPOSITE ENDS OF SAID SHEET BEING HELD IN ADJACENT RELATION BY SAID SHELL TO MAINTAIN A CYLINDRICAL CONTOUR OF THE SHEET, CONDUIT MEANS EXTENDING ALONG THE LENGTH OF SAID SHELL AND CONNECTED WITH SAID TUBES TO SERVE AS MEANS FOR ADMITTING AND DISCHARGING A FLUID TO AND FROM SAID TUBES, CORRUGATED RESILIENT SHIELDING MEANS EXTENDING ALONG THE LENGTH OF EACH OF SAID TUBES AND SPACED FROM END ENCLOSING THE LATTER, AND A SUBSTANTIAL AREA OF EACH SIDE OF SAID SHEET EXTENDING FROM THE SHIELDING MEANS OF ONE OF SAID TUBES TO THE SHIELDING MEANS OF AN ADJACENT TUBE THEREBY BEING ADAPTED TO EXPEDITE HEAT RADIATION FROM THE SHEET SUBSEQUENT TO RELEASE OF SAID SHELL AND CONSEQUENT OUTWARD SPRING ACTION OF SAID SHEET FROM ITS CYLINDRICAL CONTOUR.
Claim 2
Dependent Claim
174 words
A HEAT EXCHANGER ARRANGEMENT COMPRISING A SHELL AND HEAT EXCHANGER, SAID SHELL HAVING AN INSIDE SURFACE RESTRAINING SAID HEAT EXCHANGER WITHIN IT, MEANS FOR RELEASING SAID SHELL FROM SAID HEAT EXCHANGER, SAID HEAT EXCHANGER COMPRISING A THIN RESILIENT METALLIC SHEET AND RELATIVELY THICK TUBES FIXED TO THE LATTER, OPPOSITE ENDS OF SAID SHEET BEING HELD IN ADJACENT RELATION BY SAID SHELL TO MAINTAIN A CYLINDRICAL CONTOUR OF THE SHEET, CONDUIT MEANS EXTENDING ALONG THE LENGTH OF SAID SHELL AND CONNECTED WITH SAID TUBES TO SERVE AS MEANS FOR ADMITTING AND DISCHARGING A FLUID TO AND FROM SAID TUBES, CORRUGATED RESILIENT SHIELDING MEANS EXTENDING ALONG THE LENGTH OF EACH OF SAID TUBES AND SPACED FROM END ENCLOSING THE LATTER, AND A SUBSTANTIAL AREA OF EACH SIDE OF SAID SHEET EXTENDING FROM THE SHIELDING MEANS OF ONE OF SAID TUBES TO THE SHIELDING MEANS OF AN ADJACENT TUBE THEREBY BEING ADAPTED TO EXPEDITE HEAT RADIATION FROM THE SHEET SUBSEQUENT TO RELEASE OF SAID SHELL AND CONSEQUENT OUTWARD SPRING ACTION OF SAID SHEET FROM ITS CYLINDRICAL CONTOUR.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |