US3533888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass article and method of production
Assignee: Corning Glass Works
•
Filing: 1964-12-18
•
Granted: 1970-10-13
•
Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Richard A Eppler
- 👤 Harmon M Garfinkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:36
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/083; C03C21/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31; Y10T428/315
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2825634A
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US2779136A
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US3396075A
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US3287200A
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US3287201A
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US3410673A
Cited
US3420698A
Cited
US3218220A
Cited
US3293016A
Cited
US3395998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |