Patent US2031509A successfully refreshed from Google Patents.
US3520716A
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US
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Method of vapor depositing multicomponent film
Assignee: Toshiba Corp
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Filing: 1967-06-05
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Granted: 1970-07-14
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Expires: 1987-06-05
Abstract
No abstract record available.
Inventors
- 👤 Hiroaki Okamoto
- 👤 Michiyasu Takagi
- 👤 Tutomu Okutomi
- 👤 Iwao Higashinakagawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:34
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/04; C23C14/042; C23C14/22; C23C14/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2676114A
Cited
US2994621A
Cited
US2938816A
Cited
US3171017A
Cited
US3211128A
Cited
US3326718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |