US3224499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control system
Assignee: Phillips Petroleum Co
•
Filing: 1962-04-18
•
Granted: 1965-12-21
•
Expires: 1982-04-18
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Reinecke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:04
CPC Classifications
B; B01; B01L; B01L7/00; G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/28; G01N30/30; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G01N2030/3084
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A TEMPERATURE CONTROL SYSTEM FOR MAINTAINING THE TEMPERATURE OF A CHROMATOGRAPHIC ANALYZER AT A SUBSTANTIALLY CONSTANT VALUE WITHIN THE NORMAL RANGE OF AMBIENT TEMPERATURE WHICH COMPRISES IN COMBINATION A CHROMATOGRAPHIC ANALYZER, A SOURCE OF FLUID AT AMBIET TEMPERATURE, MEANS FOR HEATING AT LEAST A PORTION OF THE FLUID FROM SAID SOURCE TO A TEMPERATURE HIGHER THAN SAID VALUE, MEANS FOR COOLING THE THUS HEATED FLUID TO SAID VALUE, MEANS FOR PASSING THE THUS COOLED FLUID IN HEAT EXCHANGING RELATIONSHIP WITH SAID CHROMATOGRAPHIC ANALYZER, AND MEANS FOR MANIPULATING SAID MEANS FOR HEATING TO VERY THE AMOUNT OF HEAT TRANSFERRED TO SAID AT LEAST A PORTION OF THE FLUID RESPONSIVE TO THE TEMPERATURE OF SAID CHROMATOGRAPHIC ANALYZER.
References Cited (Backward Citations)
US1827099A
Cited
US2510952A
Cited
US2644315A
Cited
US2671643A
Cited
US2737028A
Cited
US2819590A
Cited
US3062037A
Cited
US3026681A
Cited
US3122014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |