US3584600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple doctor blade coating apparatus
Assignee: Fujifilm Holdings Corp
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Filing: 1970-02-13
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Granted: 1971-06-15
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Expires: 1990-02-13
Abstract
Abstract Providing a final doctor blade in a multiple blade coating apparatus having a surface dimension, in the direction of coated web movement, of at least five times that of the proceeding doctor blades.
Inventors
- 👤 Mamoru Ishiwata
- 👤 Yoshiaki Nagai
- 👤 Yosuke Uchida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:50
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/74; B; B05; B05C; B05C5/00; B05C5/02; B05C5/0254; B05C9/00; B05C9/06; G03C2001/7459; G03C2001/7466; G03C2001/7481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |