Patent US3464932A successfully refreshed from Google Patents.
US3464932A
Expired / Lapsed
US
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X-ray absorbing glass compositions
Assignee: Corning Glass Works
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Filing: 1968-09-06
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Granted: 1969-09-02
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Expires: 1988-09-06
Abstract
No abstract record available.
Inventors
- 👤 John H Connelly
- 👤 George B Hares
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:10
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/02; H01J35/16; C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/078; C03C4/00; C03C4/08; C03C4/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1633534A
Cited
US2025099A
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US2747105A
Cited
US3138561A
Cited
US3356579A
Cited
US3369961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |