US2794338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Determination of pore size distribution in large core samples
Assignee: ExxonMobil Oil Corp
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Filing: 1954-01-12
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Granted: 1957-06-04
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Expires: 1974-01-12
Abstract
No abstract record available.
Inventors
- 👤 Murphy John
- 👤 Malcolm O Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:32
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/08; G01N15/088; G01N15/0886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN APPARATUS FOR THE MEASUREMENT OF THE PORE SIZE DISTRIBUTION IN A CORE SAMPLE A SAMPLE HOLDER COMPRISING IN COMBINATION A CYLINDER HAVING A SUBSTANTIALLY HORIZONTALLY DISPOSED LONGITUDINAL AXIS, SAID CYLINDER HAVING A CHAMBER THEREIN ADAPTED TO HOLD A CORE SAMPLE AND AN OPENING AT ONE END THEREOF LEADING TO SAID CHAMBER, A HEAD MEMBER HAVING A LIP PORTION, CLOSELY FITTING WITHIN SAID OPENING AND HAVING A BODY PORTION, A GASKET SURROUNDING SAID BODY PORTION OF SAID HEAD MEMBER ADJACENT TO SAID LIP PORTION OF SAID HEAD MEMBER, A RING MEMBER SURROUNDING SAID BODY PORTION OF SAID HEAD MEMBER ADJACENT TO SAID GASKET, A RING NUT SURROUNDING SAID
Claim 2
Dependent Claim
108 words
IN APPARATUS FOR THE MEASUREMENT OF THE PORE SIZE DISTRIBUTION IN A CORE SAMPLE A SAMPLE HOLDER COMPRISING IN COMBINATION A CYLINDER HAVING A SUBSTANTIALLY HORIZONTALLY DISPOSED LONGITUDINAL AXIS, SAID CYLINDER HAVING A CHAMBER THEREIN ADAPTED TO HOLD A CORE SAMPLE AND AN OPENING AT ONE END THEREOF LEADING TO SAID CHAMBER, A HEAD MEMBER HAVING A LIP PORTION, CLOSELY FITTING WITHIN SAID OPENING AND HAVING A BODY PORTION, A GASKET SURROUNDING SAID BODY PORTION OF SAID HEAD MEMBER ADJACENT TO SAID LIP PORTION OF SAID HEAD MEMBER, A RING MEMBER SURROUNDING SAID BODY PORTION OF SAID HEAD MEMBER ADJACENT TO SAID GASKET, A RING NUT SURROUNDING SAID
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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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |