Patent US3071480A successfully refreshed from Google Patents.
US3071480A
Expired / Lapsed
US
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Glass composition for beads
Assignee: Cataphote Inc
•
Filing: 1960-12-05
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Granted: 1963-01-01
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Charles E Searight
- 👤 Ezra M Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:11
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/078; C03C3/11; C03C3/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A GLASS FOR USE IN THE MANUFACTURE OF BEADS AND THE LIKE CONSISTING ESSENTIALLY OF FROM BOUT 60% TO ABOUT 68% BY WEIGHT SILICON DDIOXIDE, FROM ABOUT 12% TO ABOUT 16% BY WEIGHT SODIUM OXIDE, FROM ABOUT 12% TO ABOUT 16% BY WEIGH CALCIUM OXIDE; FROM ABOUT 5% TO ABOUT 8% BY WEIGHT BARIUM OXIDE.
Claim 2
Dependent Claim
55 words
A GLASS FOR USE IN THE MANUFACTURE OF BEADS AND THE LIKE CONSISTING ESSENTIALLY OF FROM BOUT 60% TO ABOUT 68% BY WEIGHT SILICON DDIOXIDE, FROM ABOUT 12% TO ABOUT 16% BY WEIGHT SODIUM OXIDE, FROM ABOUT 12% TO ABOUT 16% BY WEIGH CALCIUM OXIDE; FROM ABOUT 5% TO ABOUT 8% BY WEIGHT BARIUM OXIDE.
References Cited (Backward Citations)
US1962496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |