US2576616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monitor for fission gases
Assignee: Individual
•
Filing: 1949-09-20
•
Granted: 1951-11-27
•
Expires: 1969-09-20
Abstract
No abstract record available.
Inventors
- 👤 Livingston Ralph
- 👤 Henri A Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:54
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/02; G21C17/04; G21C17/044; G01; G01T; G01T7/00; G01T7/02; G01T7/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
APPARATUS FOR DETERMINING THE RELATIVE ABUNDANCE OF THE GASEOUS FISSION PRODUCTS IN AN AIRSTREAM COMPRISING A CHAMBER FITTED WITH ENTRANCE AND EXHAUST OPENINGS, AND ELECTRODE DISPOSED IN SPACE RELATION TO THE WALLS OF SAID CHAMBER, MEAND FOR MOVING SAID ELECTRODE THROUGH SAID CHAMBER, RADIATION DETECTING AND INDICATING MEANS DISPOSED ADJACENT SAID ELECTRODE EXTERNAL TO SAID CHAMBER, MEANS FOR MAINTAINING SAID ELECTRODE SUBSTANTIALLY NEGATIVE WITH RESPECT TO SAID CHAMBER, FILTER MEANS, AND MEANS FOR IMPELLING AT LEAST A PORTION OF SAID AIRSTREAM SUCCESSVELY THROUGH SAID FILTER AND SAID CHAMBER.
Claim 2
Dependent Claim
88 words
APPARATUS FOR DETERMINING THE RELATIVE ABUNDANCE OF THE GASEOUS FISSION PRODUCTS IN AN AIRSTREAM COMPRISING A CHAMBER FITTED WITH ENTRANCE AND EXHAUST OPENINGS, AND ELECTRODE DISPOSED IN SPACE RELATION TO THE WALLS OF SAID CHAMBER, MEAND FOR MOVING SAID ELECTRODE THROUGH SAID CHAMBER, RADIATION DETECTING AND INDICATING MEANS DISPOSED ADJACENT SAID ELECTRODE EXTERNAL TO SAID CHAMBER, MEANS FOR MAINTAINING SAID ELECTRODE SUBSTANTIALLY NEGATIVE WITH RESPECT TO SAID CHAMBER, FILTER MEANS, AND MEANS FOR IMPELLING AT LEAST A PORTION OF SAID AIRSTREAM SUCCESSVELY THROUGH SAID FILTER AND SAID CHAMBER.
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) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |