US2425231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating paper and composition therefor
Assignee: Consolidated Water Power and Paper Co
•
Filing: 1944-01-24
•
Granted: 1947-08-05
•
Expires: 1964-01-24
Abstract
No abstract record available.
Inventors
- 👤 Gilbert K Dickerman
- 👤 Robert W Riley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:11
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/54; C; C09; C09D; C09D103/00; C09D103/02; D21H19/46; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2024123A
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US2194216A
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US2124372A
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GB496775A
Cited
US2185859A
Cited
US2293690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |