US2585551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for detecting ionizing radiations
Assignee: Individual
•
Filing: 1948-05-01
•
Granted: 1952-02-12
•
Expires: 1968-05-01
Abstract
No abstract record available.
Inventors
- 👤 Hofstadter Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:34
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01T1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A TRANSPARENT CRYSTALLINE PHOSPHOR COMPRISING SODIUM IODIDE AND FROM FIVE-THOUSANDTHS OF ONE MOLAR PER CENTUM TO ONE MOLAR PERCENTUM OF A THALLIUM COMPOUND, SAID CRYSTALLINE PHOSPHOR BEING OF SUFFICIENT MASS TO STOP A LARGE PERCENTAGE OF IONIZING RADIATIONS.
Claim 2
Dependent Claim
38 words
A TRANSPARENT CRYSTALLINE PHOSPHOR COMPRISING SODIUM IODIDE AND FROM FIVE-THOUSANDTHS OF ONE MOLAR PER CENTUM TO ONE MOLAR PERCENTUM OF A THALLIUM COMPOUND, SAID CRYSTALLINE PHOSPHOR BEING OF SUFFICIENT MASS TO STOP A LARGE PERCENTAGE OF IONIZING RADIATIONS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |