US2328398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition
Assignee: EIDP Inc
•
Filing: 1940-10-18
•
Granted: 1943-08-31
•
Expires: 1960-10-18
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Roskosky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:59
CPC Classifications
C; C09; C09D; C09D177/00; C08; C08L; C08L2205/00; C08L2205/02; Y; Y10; Y10S; Y10S273/00; Y10S273/06
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) | 1946-08-30 | 1947-03-01 | 1947-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-30 | 1951-03-01 | 1951-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-30 | 1955-03-01 | 1955-08-31 | $7700.00 | Window Closed / Lapsed |