US2671341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous measurement of gasoline vapor pressure
Assignee: Standard Oil Co
•
Filing: 1950-09-30
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Granted: 1954-03-09
•
Expires: 1970-09-30
Abstract
No abstract record available.
Inventors
- 👤 Robert B Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:54
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN APPARATUS FOR AUTOMATICALLY DETERMINING THE VAPOR PRESSURE OF LIQUIDS WHICH COMPRISES IN COMBINATION A FIRST CAPILLARY TUBE, A HEATING COIL, A VAPORIZING CHAMBER, AND A SECOND CAPILLARY TUBE ARRANGED TO PROVIDE SERIES FLOW OF FLUIDS THERETHROUGH, A CONSTANT TEMPERATURE BATH SUBSTANTIALLY SURROUNDING THE FIRST CAPILLARY, A SECOND CONSTANT TEMPERATURE BATH SUBSTANTIALLY SURROUNDING THE SAID HEATING COIL, AN INSULATION MEANS SUBSTANTIALLY SURROUNDING SAID VAPORIZING CHAMBER AND THE SECOND CAPILLARY, AND PRES-
Claim 2
Independent Claim
71 words
AN APPARATUS FOR AUTOMATICALLY DETERMINING THE VAPOR PRESSURE OF LIQUIDS WHICH COMPRISES IN COMBINATION A FIRST CAPILLARY TUBE, A HEATING COIL, A VAPORIZING CHAMBER, AND A SECOND CAPILLARY TUBE ARRANGED TO PROVIDE SERIES FLOW OF FLUIDS THERETHROUGH, A CONSTANT TEMPERATURE BATH SUBSTANTIALLY SURROUNDING THE FIRST CAPILLARY, A SECOND CONSTANT TEMPERATURE BATH SUBSTANTIALLY SURROUNDING THE SAID HEATING COIL, AN INSULATION MEANS SUBSTANTIALLY SURROUNDING SAID VAPORIZING CHAMBER AND THE SECOND CAPILLARY, AND PRES-
References Cited (Backward Citations)
US2002101A
Cited
US2119786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |