US3263491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor pressure monitoring
Assignee: Mobil Oil AS
•
Filing: 1962-11-16
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Granted: 1966-08-02
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Rupert A Brown
- 👤 Kevin N Thompson
- 👤 Robert W Somers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:56
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN APPARATUS FOR CONTINUOUSLY DETERMINING VAPOR PRESSURE OF LIQUIDS COMPRISING A MEASURING CHAMBER, A CLOSED CONTAINER SUITABLE FOR CONTAINING A STANDARD FLUID WITHIN SAID MEASURING CHAMBER, MEANS TO CONTINUOUSLY INTRODUCE LIQUID INTO SAID CHAMBER, REMOVE SUCH LIQUID FROM SAID CHAMBER, AND MAINTAIN A POOL OF SUCH LIQUID IN SAID CHAMBER IMMERSING SAID CLOSED CONTAINER, MEANS TO DETECT ANY PRESSURE DIFFERENTIAL BETWEEN SAID CONTAINER AND SAID CHAMBER, AND MEANS TO PROVIDE A CONSTANT TEMPERATURE BATH IMMERSING SAID MEASURING CHAMBER.
Claim 2
Independent Claim
78 words
AN APPARATUS FOR CONTINUOUSLY DETERMINING VAPOR PRESSURE OF LIQUIDS COMPRISING A MEASURING CHAMBER, A CLOSED CONTAINER SUITABLE FOR CONTAINING A STANDARD FLUID WITHIN SAID MEASURING CHAMBER, MEANS TO CONTINUOUSLY INTRODUCE LIQUID INTO SAID CHAMBER, REMOVE SUCH LIQUID FROM SAID CHAMBER, AND MAINTAIN A POOL OF SUCH LIQUID IN SAID CHAMBER IMMERSING SAID CLOSED CONTAINER, MEANS TO DETECT ANY PRESSURE DIFFERENTIAL BETWEEN SAID CONTAINER AND SAID CHAMBER, AND MEANS TO PROVIDE A CONSTANT TEMPERATURE BATH IMMERSING SAID MEASURING CHAMBER.
References Cited (Backward Citations)
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Cited
US1529811A
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US2200261A
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US2671343A
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Cited
US2811851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |