Patent US1946831A successfully refreshed from Google Patents.
US1946831A
Expired / Lapsed
US
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Apparatus for coating paper or the like
Assignee: Individual
•
Filing: 1931-12-11
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Granted: 1934-02-13
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Expires: 1951-12-11
Abstract
No abstract record available.
Inventors
- 👤 Russell S Bracewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:47
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/0005; D21H5/0047; B; B05; B05B; B05B13/00; B05B13/02; D06; D06B; D06B3/00; D06B3/10; D21H23/00; D21H23/02; D21H23/22; D21H23/50; D06B2700/00; D06B2700/27
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) | 1937-02-12 | 1937-08-14 | 1938-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-02-12 | 1941-08-14 | 1942-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-02-12 | 1945-08-14 | 1946-02-13 | $7700.00 | Window Closed / Lapsed |