US2946307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating paper
Assignee: Champion Paper and Fibre Co
•
Filing: 1955-12-23
•
Granted: 1960-07-26
•
Expires: 1975-12-23
Abstract
No abstract record available.
Inventors
- 👤 Warner Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:37
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H5/00; D21H5/0005; D21H5/005; D21H23/32; D21H23/42; D21H23/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1867875A
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US2676563A
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US2598733A
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US2599947A
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US2729192A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |