Patent US3511212A successfully refreshed from Google Patents.
US3511212A
Expired / Lapsed
US
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Vapor deposition apparatus including a polyimide containing mask
Assignee: EIDP Inc
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Filing: 1968-05-16
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Granted: 1970-05-12
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Expires: 1988-05-16
Abstract
No abstract record available.
Inventors
- 👤 Glen C Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:23
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C23C14/562; C23C14/04; C23C14/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2590557A
Cited
US2954752A
Cited
US2959152A
Cited
US3205855A
Cited
US3183563A
Cited
US3408453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |