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US2965503A
Expired / Lapsed
US
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Yellow glass composition
Assignee: OI Glass Inc
•
Filing: 1958-08-11
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Granted: 1960-12-20
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Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 Erwin C Hagedorn
- 👤 Dallas P Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:02
CPC Classifications
C; C03; C03C; C03C1/00; C03C1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A SODA-LIME-SILICA GLASS CONSISTING ESSENTIALLY OF THE FOLLOWING COMPOSITION:
Claim 2
Dependent Claim
9 words
A SODA-LIME-SILICA GLASS CONSISTING ESSENTIALLY OF THE FOLLOWING COMPOSITION:
References Cited (Backward Citations)
US1754182A
Cited
US2321987A
Cited
US2443142A
Cited
US2554952A
Cited
US2688561A
Cited
US2688560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |