US3089957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gamma radiation dosage-measuring glasses and method of using
Assignee: Individual
•
Filing: 1960-12-23
•
Granted: 1963-05-14
•
Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Adli M Bishay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:44
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01T1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A MELTED AND CAST GLASS SUITABLE FOR USE AS A GAMMA RADIATION DOSIMETER CONSISTING OF FROM ABOUT 15 TO ABOUT 57 MOLE PERCENT BISMUTH TRIOXIDE AND FROM ABOUT 0.05 TO ABOUT 0.20 MOLE PERCENT OF A MEMBER OF CLASS CONSISTING OF ARSENIC TRIOXIDE AND ANTIMONY TROXIDE, THE SAID GLASS BEING FREE OF ELEMENTAL METAL.
Claim 2
Dependent Claim
54 words
A MELTED AND CAST GLASS SUITABLE FOR USE AS A GAMMA RADIATION DOSIMETER CONSISTING OF FROM ABOUT 15 TO ABOUT 57 MOLE PERCENT BISMUTH TRIOXIDE AND FROM ABOUT 0.05 TO ABOUT 0.20 MOLE PERCENT OF A MEMBER OF CLASS CONSISTING OF ARSENIC TRIOXIDE AND ANTIMONY TROXIDE, THE SAID GLASS BEING FREE OF ELEMENTAL METAL.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |