Patent US3278317A successfully refreshed from Google Patents.
US3278317A
Expired / Lapsed
US
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Vanadium pentoxide-metal metaphosphate glass compositions
Assignee: Bausch and Lomb Inc
•
Filing: 1963-03-18
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Granted: 1966-10-11
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Blair
- 👤 David P Hamblen
- 👤 Robert A Weidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:11
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/12; C03C3/16; C03C3/21; Y; Y10; Y10S; Y10S501/00; Y10S501/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A GLASS COMPOSTION CONSISTING ESSENTIALLY OF VANADIUM PENTOXIDE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BARIUM METAPHOSPHATE, LEAD METAPHOSPHATE, LITHIUM METAPHOSPHATE, SODIUM METAPHOSPHATE, CADMIUM METAPHOSPHATE, POTASSIUM METHAPHOSPHATE AND VANADIUM METAPHOSPHATE.
Claim 2
Dependent Claim
32 words
A GLASS COMPOSTION CONSISTING ESSENTIALLY OF VANADIUM PENTOXIDE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BARIUM METAPHOSPHATE, LEAD METAPHOSPHATE, LITHIUM METAPHOSPHATE, SODIUM METAPHOSPHATE, CADMIUM METAPHOSPHATE, POTASSIUM METHAPHOSPHATE AND VANADIUM METAPHOSPHATE.
References Cited (Backward Citations)
GB744947A
Cited
US3241009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |