Patent US3222498A successfully refreshed from Google Patents.
US3222498A
Expired / Lapsed
US
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Vapor generator
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1962-05-11
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Granted: 1965-12-07
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Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 Russell S Miksch
- 👤 Robert E Corridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:56
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/40; B64G1/402; B64G1/4021; F; F02; F02K; F02K5/00; F22; F22B; F22B37/00; F22B37/02; F22B37/26; B64G1/401
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
82 words
A VAPOR GENERATOR INCLUDING A LIQUID RESERVOIR FOR STORING A LIQUID HAVING A VAPOR PHASE, A VAPOR PLENUM FOR STORING THE VAPOR PHASE OF SAID LIQUID IN COMMUNICATION WITH SAID LIQUID RESERVOIR, A SEMIPERMEABLE MEMBRANE SEPARATING THE VAPOR PLENUM AND THE LIQUID RESERVOIR, SAID SEMIPERMEABLE MEMBRANE SERVING TO PASS ONLY THE VAPOR PHASE OF SAID LIQUID WHEREBY VAPOR IS TRANSFERRED INTO SAID VAPOR PLENUM FROM SAID LIQUID RESERVOIR, AND MEANS FOR CONTINUOUSLY URGING THE LIQUID IN SAID RESERVIOR AGAINST THE SEMIPERMEABLE MEMBRANE.
Claim 2
Dependent Claim
82 words
A VAPOR GENERATOR INCLUDING A LIQUID RESERVOIR FOR STORING A LIQUID HAVING A VAPOR PHASE, A VAPOR PLENUM FOR STORING THE VAPOR PHASE OF SAID LIQUID IN COMMUNICATION WITH SAID LIQUID RESERVOIR, A SEMIPERMEABLE MEMBRANE SEPARATING THE VAPOR PLENUM AND THE LIQUID RESERVOIR, SAID SEMIPERMEABLE MEMBRANE SERVING TO PASS ONLY THE VAPOR PHASE OF SAID LIQUID WHEREBY VAPOR IS TRANSFERRED INTO SAID VAPOR PLENUM FROM SAID LIQUID RESERVOIR, AND MEANS FOR CONTINUOUSLY URGING THE LIQUID IN SAID RESERVIOR AGAINST THE SEMIPERMEABLE MEMBRANE.
Claim 3
Dependent Claim
21 words
A VAPOR GENERATOR AS IN CLAIM 1 WHEREIN THERE IS PROVIDED MEANS FOR HEATING THE LIQUID CONTAINED IN SAID LIQUID RESERVOIR.
References Cited (Backward Citations)
US2980177A
Cited
US3092968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |