US2625657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monitoring gas for radioactive xenon
Assignee: Individual
•
Filing: 1945-11-28
•
Granted: 1953-01-13
•
Expires: 1965-11-28
Abstract
No abstract record available.
Inventors
- 👤 Kanne William Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:28
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN IONIZATION CHAMBER FOR MONITORING THE ACTIVITY OF A GAS PASSING THERETHROUGH INCLUDING A FIRST ELECTRODE AND A SECOND ELECTRODE IN INSULATED SPACED RELATION, A SOURCE OF DIRECT VOLTAGE, A CONNECTION FROM ONE SIDE OF SAID SOURCE TO SAID FIRST ELECTRODE, A CONNECTION FROM THE OTHER SIDE OF SAID SOURCE TO GROUND, A HIGH RESISTANCE, A CONNECTION FROM ONE SIDE OF SAID RESISTANCE TO SAID SECOND ELECTRODE, AND A CONNECTION FROM THE OTHER SIDE OF SAID RESISTANCE TO GROUND, SAID FIRST ELECTRODE HAVING A SURFACE OVER WHICH GAS MUST PASS ON ITS WAY TO THE SPACE BETWEEN SAID ELECTRODES, AND A DIRECTLY GROUNDED CONDUCTING MEMBER EXTENDING ALONG AND SPACED FROM A SUBSTANTIAL PORTION OF SAID SURFACE.
Claim 2
Dependent Claim
116 words
AN IONIZATION CHAMBER FOR MONITORING THE ACTIVITY OF A GAS PASSING THERETHROUGH INCLUDING A FIRST ELECTRODE AND A SECOND ELECTRODE IN INSULATED SPACED RELATION, A SOURCE OF DIRECT VOLTAGE, A CONNECTION FROM ONE SIDE OF SAID SOURCE TO SAID FIRST ELECTRODE, A CONNECTION FROM THE OTHER SIDE OF SAID SOURCE TO GROUND, A HIGH RESISTANCE, A CONNECTION FROM ONE SIDE OF SAID RESISTANCE TO SAID SECOND ELECTRODE, AND A CONNECTION FROM THE OTHER SIDE OF SAID RESISTANCE TO GROUND, SAID FIRST ELECTRODE HAVING A SURFACE OVER WHICH GAS MUST PASS ON ITS WAY TO THE SPACE BETWEEN SAID ELECTRODES, AND A DIRECTLY GROUNDED CONDUCTING MEMBER EXTENDING ALONG AND SPACED FROM A SUBSTANTIAL PORTION OF SAID SURFACE.
References Cited (Backward Citations)
US1808709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |