US2516218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon vaporizer
Assignee: Phillips Petroleum Co
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Filing: 1946-07-08
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Granted: 1950-07-25
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Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur N Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:02
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/22; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0309; F17C2227/0316; F17C2227/0367; F17C2227/0388; F17C2227/0393; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
IN A VAPORIZER OF THE CLASS DESCRIBED, IN COMBINATION: A HOUSING; A TUBE HAVING A FLUID INLET AND A FLUID OUTLET EXTENDING THROUGH SAID HOUSING; A THERMOSTAT ACTUATED VALVE HEAD DISPOSED IN SAID HOUSING ADAPTED TO BE MOVED TO SEAT UPON AND SUBSTANTIALLY CLOSE SAID OUTLET; A HOLLOW CYLINDER OF POROUS CARBON DISPOSED IN SAID HOUSING SPACEDLY SURROUNDING SAID TUBE AND WITH THE SIDES THEREOF SPACED FROM THE WALLS OF SAID HOUSING; MEANS FOR INTRODUCING LIQUID BETWEEN SAID TUBE AND SAID CYLINDER; AND MEANS FOR CONTROLLING THE QUANTITY OF LIQUID SO INTRODUCED.
References Cited (Backward Citations)
US1719687A
Cited
US1752166A
Cited
US1947099A
Cited
US2214298A
Cited
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US2336647A
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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) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |