Patent US4470982A successfully refreshed from Google Patents.
Patent US2833121A successfully refreshed from Google Patents.
US2833121A
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Apparatus for vaporizing volatile liquids
Assignee: Union Carbide Corp
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Filing: 1953-11-24
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Granted: 1958-05-06
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Expires: 1973-11-24
Abstract
No abstract record available.
Inventors
- 👤 Charles J Dorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:38
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/014; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0304; F17C2227/0309; F17C2227/0311; F17C2227/0313; F17C2227/0367; F17C2227/0388; F17C2227/0393; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
APPARATUS FOR CONTINUOUSLY VAPORIZING TO A GAS AT ATMOSPHERIC TEMPERATURE VOLATILE LIQUIDS HAVING BOILING POINTS BELOW ABOUT 233*K. AT ATMOSPHERIC PRESSURE COMPRISING A PLURALITY OF SPACED SUBSTANTIALLY PARALLEL HEAT CONDUCTING FLUID CONDUITS, A PLURALITY OF SUBSTANTIALLY PARALLEL SPACED FINS OF HEAT CONDUCTING MATERIAL SECURED IN HEAT EXCHANGE CONTACT WITH SAID PLURALITY OF HEAT CONDUCTING FLUID CONDUITS, INLET MEANS INCLUDING VALVE MEANS AND AN INLET MANIFOLD AT ONE END OF SAID PLURALITY OF HEAT CONDUCTING FLUID CONDUITS POSITIONED AND ARRANGED TO DIVIDED SAID VAPORIZER INTO AT LEAST TWO SUBSTANTIALLY EQUAL VAPOR-
Claim 2
Dependent Claim
90 words
APPARATUS FOR CONTINUOUSLY VAPORIZING TO A GAS AT ATMOSPHERIC TEMPERATURE VOLATILE LIQUIDS HAVING BOILING POINTS BELOW ABOUT 233*K. AT ATMOSPHERIC PRESSURE COMPRISING A PLURALITY OF SPACED SUBSTANTIALLY PARALLEL HEAT CONDUCTING FLUID CONDUITS, A PLURALITY OF SUBSTANTIALLY PARALLEL SPACED FINS OF HEAT CONDUCTING MATERIAL SECURED IN HEAT EXCHANGE CONTACT WITH SAID PLURALITY OF HEAT CONDUCTING FLUID CONDUITS, INLET MEANS INCLUDING VALVE MEANS AND AN INLET MANIFOLD AT ONE END OF SAID PLURALITY OF HEAT CONDUCTING FLUID CONDUITS POSITIONED AND ARRANGED TO DIVIDED SAID VAPORIZER INTO AT LEAST TWO SUBSTANTIALLY EQUAL VAPOR-
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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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |