US2218474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic and coating composition
Assignee: Wyeth Holdings LLC
•
Filing: 1938-12-17
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Granted: 1940-10-15
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Expires: 1958-12-17
Abstract
No abstract record available.
Inventors
- 👤 Moore Leonard Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:19
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C08; C08L; C08L61/00; C08L61/20; C08L61/26; C09D101/00; C09D101/08; C09D101/16; C09D101/18; C09D161/26; C09D161/28; C09D167/00; C09D167/08; Y; Y10; Y10S; Y10S260/00; Y10S260/38
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) | 1943-10-15 | 1944-04-15 | 1944-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-15 | 1948-04-15 | 1948-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-15 | 1952-04-15 | 1952-10-15 | $7700.00 | Window Closed / Lapsed |