US3519467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation of thin oxide layers
Assignee: AGC Glass Europe SA
•
Filing: 1967-05-17
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Granted: 1970-07-07
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Expires: 1987-05-17
Abstract
No abstract record available.
Inventors
- 👤 Emile Plumat
- 👤 Pierre Bohain
- 👤 Albert Servais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:26
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/212; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112; C03C2218/113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2957787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |