US2795704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutron ion chamber
Assignee: Individual
•
Filing: 1954-04-15
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Granted: 1957-06-11
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Expires: 1974-04-15
Abstract
No abstract record available.
Inventors
- 👤 Bryant Harry
- 👤 George F Erickson
- 👤 Stefan G Kaufmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:16
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
AN IONIZATION CHAMBER SYSTEM OF MEASURING NEUTRON INTENSITY IN THE PRESENCE OF GAMMA RAYS COMPRISING A PAIR OF ELECTRODES HAVING AN IONIZATION REGION THEREBETWEEN, A BODY OF MATERIAL PRODUCING IONIZING RADIATIONS IN RESPONSE TO NEUTRON BOMBARDMENT, AND MEANS INCLUDING A MOTOR FOR CYCLICALLY INTRODUCING SAID BODY INTO SAID WITHDRAWING SAID BODY FROM THE IONIZATION REGION.
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) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |