Patent US2719426A successfully refreshed from Google Patents.
US2584660A
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Vacuum coating process and apparatus therefor
Assignee: Eastman Kodak Co
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Filing: 1949-09-24
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Granted: 1952-02-05
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Expires: 1969-09-24
Abstract
No abstract record available.
Inventors
- 👤 George H Bancroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:24
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26; Y; Y10; Y10S; Y10S164/00; Y10S164/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1648962A
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US2239642A
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US2157478A
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US2217228A
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US2378476A
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US2411409A
Cited
US2469929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |