US2432074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated paper and method of producing the same
Assignee: Copeman Laboratories Co
•
Filing: 1940-08-02
•
Granted: 1947-12-02
•
Expires: 1960-08-02
Abstract
No abstract record available.
Inventors
- 👤 Harley Y Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:37
CPC Classifications
B; B65; B65D; B65D63/00; B65D63/10; B65D63/1009; C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/38; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1444061A
Cited
US1885007A
Cited
US1989036A
Cited
US2120720A
Cited
US2209601A
Cited
US2120721A
Cited
US2190378A
Cited
US2144263A
Cited
US2205557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |