US2999819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphate glass composition for dosimeter
Assignee: Bausch and Lomb Inc
•
Filing: 1959-11-23
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Granted: 1961-09-12
•
Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:28
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/12; C03C3/16; C03C3/17; G; G01; G01T; G01T1/00; G01T1/02; G01T1/10; Y; Y10; Y10S; Y10S436/00; Y10S436/902
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
A DOSIMETRIC PHOSPHATE GLASS COMPOSITION THE BATCH CONSTITUENTS OF WHICH CONSIST ESSENTIALLY OF BY WEIGHT 50 PARTS ALUMINUM METAPHOSPHATE, 25 PARTS MAGNESIUM METAPHOSPHATE, 25 PARTS LITHIUM METAPHOSPHATE, AND 8 PARTS SILVER METAPHOSPHATE.
References Cited (Backward Citations)
US2270124A
Cited
US2524839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |