Patent US3664839A successfully refreshed from Google Patents.
Patent US3458156A successfully refreshed from Google Patents.
Patent US2738426A successfully refreshed from Google Patents.
US2738426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid monitoring device
Assignee: Individual
•
Filing: 1952-02-19
•
Granted: 1956-03-13
•
Expires: 1972-02-19
Abstract
No abstract record available.
Inventors
- 👤 William M Hurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:34
CPC Classifications
G; G01; G01T; G01T7/00; G01T7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A LIQUID MONITORING DEVICE FOR DETERMINING RADIOACTIVITY COMPRISING A CONTAINER HAVING AN INTURNED RING SHAPED UPPER END DEFINING A RESTRICTED OPENING, SAID CONTAINER BEING ADAPTED TO RECEIVE LIQUID, MEANS FOR ROTATING THE LIQUID AT A PREDETERMINED SPEED TO CAUSE IT TO MOVE UP THE WALLS OF THE CONTAINER AND PRODUCE A LIQUID WALL WHOSE THICKNESS IS LIMITED BY SAID UPPER END AND OF A CONFIGURATION TO PROVIDE A BORE OF GREATER DIAMETER THAN SAID OPENING, AND A COUNTER MEANS EXTENDING THROUGH SAID OPENING INTO THE CONTAINER ADJACENT TO AND WITHIN SAID LIQUID WALL FOR DETECTING THE ACTIVITY IN SAID LIQUID.
Claim 2
Dependent Claim
100 words
A LIQUID MONITORING DEVICE FOR DETERMINING RADIOACTIVITY COMPRISING A CONTAINER HAVING AN INTURNED RING SHAPED UPPER END DEFINING A RESTRICTED OPENING, SAID CONTAINER BEING ADAPTED TO RECEIVE LIQUID, MEANS FOR ROTATING THE LIQUID AT A PREDETERMINED SPEED TO CAUSE IT TO MOVE UP THE WALLS OF THE CONTAINER AND PRODUCE A LIQUID WALL WHOSE THICKNESS IS LIMITED BY SAID UPPER END AND OF A CONFIGURATION TO PROVIDE A BORE OF GREATER DIAMETER THAN SAID OPENING, AND A COUNTER MEANS EXTENDING THROUGH SAID OPENING INTO THE CONTAINER ADJACENT TO AND WITHIN SAID LIQUID WALL FOR DETECTING THE ACTIVITY IN SAID LIQUID.
References Cited (Backward Citations)
US2072417A
Cited
US2368486A
Cited
US2340967A
Cited
US2494641A
Cited
US2542440A
Cited
US2588716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |