US3001880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible glass compositions
Assignee: Union Carbide Corp
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Filing: 1957-06-03
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Granted: 1961-09-26
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Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Ruskin Simon Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:13
CPC Classifications
C; C03; C03C; C03C23/00; C03C23/0005; C03C23/0035
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
38 words
FLEXIBLE SODA-LIME-SILICA TYPE GLASS PRODUCED BY A PROCESS FOR MAKING GLASS FROM BATCH, IN WHICH SAID GLASS BATCH IS IRRADIATED WITH FROM ABOUT 100 MILLION ROENTGENS TO ABOUT 400 MILLION ROENTGENS BEFORE SAID BATCH IS FUSED INTO GLASS.
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) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |