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Patent US3550320A successfully refreshed from Google Patents.
US3550320A
Expired / Lapsed
US
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Graining apparatus
Assignee: Eastman Kodak Co
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Filing: 1968-12-05
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Granted: 1970-12-29
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Expires: 1988-12-05
Abstract
No abstract record available.
Inventors
- 👤 David W Kenyon
- 👤 William P Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:05
CPC Classifications
B; B24; B24B; B24B29/00; B24B29/005; B41; B41N; B41N3/00; B41N3/04; B44; B44B; B44B5/00; B44B5/02; B44B5/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |