Patent US2870738A successfully refreshed from Google Patents.
US2870738A
Expired / Lapsed
US
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Paper coating machine
Assignee: Black Clawson Co
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Filing: 1957-02-28
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Granted: 1959-01-27
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Expires: 1977-02-28
Abstract
No abstract record available.
Inventors
- 👤 Robert J Jacobs
- 👤 Edward E Persson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:15
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D06; D06B; D06B1/00; D06B1/10; D06B1/14; D06B1/143; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US194613A
Cited
US1552295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |