US2438339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated sheet and composition for coating laminae
Assignee: ALBERT W CLURMAN
•
Filing: 1942-07-16
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Granted: 1948-03-23
•
Expires: 1962-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jacobs Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:42
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C04B18/00; C04B18/02; C04B18/021; C04B2111/00; C04B2111/00241; C04B2111/00336; C04B2111/00474; C04B2111/00612; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/25; Y10T428/251; Y10T428/256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190102645A
Cited
GB190401400A
Cited
US1647666A
Cited
US2084486A
Cited
GB495488A
Cited
US2216251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |