Patent US2935383A successfully refreshed from Google Patents.
US2935383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator devices
Assignee: Individual
•
Filing: 1956-05-31
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Granted: 1960-05-03
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Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Luc Donald De Seguin Des Hons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:17
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/48742; B; B01; B01F; B01F31/00; B01F31/44; B01F31/441; B01F33/00; B01F33/45; B01F33/452
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
A DEVICE FOR AGITATING A MIXTURE OF CONSTITUENTS TO BE INTIMATELY MIXED, COMPRISING A VESSEL HAVING AN INSIDE WITH THEREIN A LIQUID HEAVIER THAN SAID MIXTURE AND ON MISCIBLE THEREWITH, A BURETTE HAVING AN OPEN END DOWNWARDLY TURNED AND IMMERSED IN SAID LIQUID SO AS TO FORM IN THE BURETTE AN ENCLOSED SPACE OBTURATED BY SAID LIQUID AND IN WHICH IS SHUT UP SAID MIXTURE, SAID BURETTE BEING POSITIONED INSIDE THE VESSEL SO THAT UNDER SAID OPEN END THERE IS A SUBSTANTIAL PORTION OF THE INSIDE OF THE VESSEL, A PISTON INSIDE THE BURETTE, A U-SHAPED ROD HAVING A FIRST BRANCH SECURED AT ITS UPPER END TO SAID PISTON AND LONG ENOUGH TO EXTEND ALONG A SUBSTANTIAL PORTION OF THE INSIDE OF THE BURETTE, AND A SECOND BRANCH LONG ENOUGH TO HAVE
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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |