US3193131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid storage container
Assignee: Barnstead Still and Sterilizer Co
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Filing: 1962-05-14
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Granted: 1965-07-06
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Verity C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:29
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/14; Y; Y10; Y10S; Y10S277/00; Y10S277/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A LIQUID STORAGE CONTAINER COMPRISING, IN COMBINATION: A VESSEL FOR CONTAINING A LIQUID, SAID VESSEL HAVING AN OPEN UPPER END AND BEING FORMED PERIPHERALLY ABOUT SAID UPPER END WITH AN UPWARDLY-OPEN TROUIGH, A COVER FOR OVERLYING AND ENCLOSING SAID UPPER END, SAID COVER BEING FORMED WITH A PERIPHERAL FLANGE ARRANGED TO EXTEND ABOUT THE PERIPHERY OF SAID OPEN END AND DOWNWARDLY INTO SAID TROUGH, AND A MASS OF DILATANT SILICONE PUTTY DISPOSED IN SAID TROUGH FOR SUBMERSION OF SAID PERIPHERAL FLANGE OF SAID COVER THEREIN, SAID MASS OF SILICONE PUTTY BEING CHARACTERIZED BY FLOWING UNDER QUIESCENT CONDITIONS INTO COMPLETE AND WETTING CONTACT WITH SAID COVER FLANGE, AND BECOMING OF INCREASED RESISTANCE TO FLOW AND STIFFNESS WHEN SUBJECTED TO FORCE, THEREBY PROVIDING A LIQUID SEAL ABOUT SAID COVER WHICH STIFFENS TO WITHSTAND SUDDEN FLUCTUATIONS IN THE DIFFERENTIAL PRESSURE WITHIN SAID CONTAINER.
Claim 2
Dependent Claim
140 words
A LIQUID STORAGE CONTAINER COMPRISING, IN COMBINATION: A VESSEL FOR CONTAINING A LIQUID, SAID VESSEL HAVING AN OPEN UPPER END AND BEING FORMED PERIPHERALLY ABOUT SAID UPPER END WITH AN UPWARDLY-OPEN TROUIGH, A COVER FOR OVERLYING AND ENCLOSING SAID UPPER END, SAID COVER BEING FORMED WITH A PERIPHERAL FLANGE ARRANGED TO EXTEND ABOUT THE PERIPHERY OF SAID OPEN END AND DOWNWARDLY INTO SAID TROUGH, AND A MASS OF DILATANT SILICONE PUTTY DISPOSED IN SAID TROUGH FOR SUBMERSION OF SAID PERIPHERAL FLANGE OF SAID COVER THEREIN, SAID MASS OF SILICONE PUTTY BEING CHARACTERIZED BY FLOWING UNDER QUIESCENT CONDITIONS INTO COMPLETE AND WETTING CONTACT WITH SAID COVER FLANGE, AND BECOMING OF INCREASED RESISTANCE TO FLOW AND STIFFNESS WHEN SUBJECTED TO FORCE, THEREBY PROVIDING A LIQUID SEAL ABOUT SAID COVER WHICH STIFFENS TO WITHSTAND SUDDEN FLUCTUATIONS IN THE DIFFERENTIAL PRESSURE WITHIN SAID CONTAINER.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |