US3485658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural monolayer coated article and process of making
Assignee: EIDP Inc
•
Filing: 1965-07-22
•
Granted: 1969-12-23
•
Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Iler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:47
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/3411; C03C17/3429; C03C17/3464; C03C17/347; C03C17/3417; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/259
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2232539A
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US2531445A
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US2644771A
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US2754224A
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US2913419A
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US2983625A
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US2977245A
Cited
US3265629A
Cited
US2915475A
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US3013903A
Cited
US3013902A
Cited
US3013901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |