US2415644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously applying a coating to a web and controlling the thickness of the same
Assignee: Eastman Kodak Co
•
Filing: 1942-11-16
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Granted: 1947-02-11
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Expires: 1962-11-16
Abstract
No abstract record available.
Inventors
- 👤 Lee W Leonhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:00
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/08; D21H25/16; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062; D21H5/007; Y; Y10; Y10T; Y10T137/00; Y10T137/7287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1140873A
Cited
US1590417A
Cited
US1980923A
Cited
US2135406A
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US2177323A
Cited
US2252204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |