Patent US3248932A successfully refreshed from Google Patents.
US3248932A
Expired / Lapsed
US
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Osmometer
Assignee: Sunoco Inc
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Filing: 1963-05-15
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Granted: 1966-05-03
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Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Byron B Bohrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:32
CPC Classifications
G; G01; G01N; G01N13/00; G01N13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN AN OSMOMETER, A SINGLE CONTAINER, A PLURALITY OF SPACED PARTITIONS MOUNTED FOR UNITARY MOVEMENT WITHIN SAID CONTAINER AND DISPOSED IN SEALED RELATIONSHIP TO THE WALLS OF SAID CONTAINER, THE SPACES BETWEEN ADJACENT PARTITIONS PROVIDING TWO SEALED CHAMBERS WHICH ARE MOVABLE WITH RESPECT TO THE CONTAINER WALLS; MEANS FOR MOVING SAID PARTITIONS TO BRING SAID CHAMBERS ALTERNATIVELY TO A PORTION OF SAID CONTAINER ESTABLISHED AS A TEST ZONE, MEANS FOR SUPPLY TO EACH CHAMBER, PRIOR TO ITS MOVEMENT TO SAID PORTION OF SAID CONTAINER, A SAMPLE OF A SOLUTION BEING INVESTIGATED, A CHAMBER HAVING AT ONE END
Claim 2
Dependent Claim
97 words
IN AN OSMOMETER, A SINGLE CONTAINER, A PLURALITY OF SPACED PARTITIONS MOUNTED FOR UNITARY MOVEMENT WITHIN SAID CONTAINER AND DISPOSED IN SEALED RELATIONSHIP TO THE WALLS OF SAID CONTAINER, THE SPACES BETWEEN ADJACENT PARTITIONS PROVIDING TWO SEALED CHAMBERS WHICH ARE MOVABLE WITH RESPECT TO THE CONTAINER WALLS; MEANS FOR MOVING SAID PARTITIONS TO BRING SAID CHAMBERS ALTERNATIVELY TO A PORTION OF SAID CONTAINER ESTABLISHED AS A TEST ZONE, MEANS FOR SUPPLY TO EACH CHAMBER, PRIOR TO ITS MOVEMENT TO SAID PORTION OF SAID CONTAINER, A SAMPLE OF A SOLUTION BEING INVESTIGATED, A CHAMBER HAVING AT ONE END
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |