Patent US678924A successfully refreshed from Google Patents.
Patent US3344656A successfully refreshed from Google Patents.
US3344656A
Expired / Lapsed
US
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Method of filling a vessel completely with a liquid
Assignee: Dow Chemical Co
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Filing: 1963-12-04
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Granted: 1967-10-03
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Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Beverley H Van Horne
- 👤 Alden W Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
B; B01; B01J; B01J4/00; B01J4/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE METHOD OF COMPLETELY FILLING THE FREE SPACE IN A VESSEL WITH A LIQUID, THE VESSEL BEING INITIALLY FILLED WITH A GAS WHICH IS IMMISCIBLE WITH AND INSOLUBLE IN SAID LIQUID, THE INTERIOR OF SAID VESSEL HAVING AT LEAST ONE UNVENTED PORTION IN WHICH SAID GAS WILL BE TRAPPED BY THE LIQUID ON BEING INTRODUCED INTO THE VESSEL, WHICH COMPRISES: (A) PURGING THE VESSEL WITH A FLUID WHICH IS CAPABLE OF SORPTION IN THE LIQUID; AND (B) INTRODUCING THE FILLING LIQUID ALONG WITH A WETTING AGENT INTO THE VESSEL UNTIL ALL THE REMAINING GASES ARE SORBED BY SAID LIQUID AND THE LIQUID SUBSTANTIALLY COMPLETELY FILLS THE VESSEL.
Claim 2
Independent Claim
107 words
THE METHOD OF COMPLETELY FILLING THE FREE SPACE IN A VESSEL WITH A LIQUID, THE VESSEL BEING INITIALLY FILLED WITH A GAS WHICH IS IMMISCIBLE WITH AND INSOLUBLE IN SAID LIQUID, THE INTERIOR OF SAID VESSEL HAVING AT LEAST ONE UNVENTED PORTION IN WHICH SAID GAS WILL BE TRAPPED BY THE LIQUID ON BEING INTRODUCED INTO THE VESSEL, WHICH COMPRISES: (A) PURGING THE VESSEL WITH A FLUID WHICH IS CAPABLE OF SORPTION IN THE LIQUID; AND (B) INTRODUCING THE FILLING LIQUID ALONG WITH A WETTING AGENT INTO THE VESSEL UNTIL ALL THE REMAINING GASES ARE SORBED BY SAID LIQUID AND THE LIQUID SUBSTANTIALLY COMPLETELY FILLS THE VESSEL.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |