US3117013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass composition
Assignee: AT&T Inc
•
Filing: 1961-11-06
•
Granted: 1964-01-07
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 William R Northover
- 👤 Arthur D Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:41
CPC Classifications
H; H10; H10N; H10N70/00; H10N70/20; C; C03; C03C; C03C3/00; C03C3/32; C03C3/321; C03C3/323; H10N70/801; H10N70/841; H10N70/8418; H10N70/881
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A GLASS HAVING A COMPOSITION WITHIN THE SHADED AREA A OF FIG. 1 OF THE DRAWING.
Claim 2
Dependent Claim
16 words
A GLASS HAVING A COMPOSITION WITHIN THE SHADED AREA A OF FIG. 1 OF THE DRAWING.
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |