US2443741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizable compositions containing unsaturated alkyd resins and allyl esters, copolymers of such compositions, and process of producing the same
Assignee: Wyeth Holdings LLC
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Filing: 1944-09-21
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Granted: 1948-06-22
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Expires: 1964-09-21
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kropa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:20
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0478; Y; Y10; Y10S; Y10S525/00; Y10S525/91; Y10S525/932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |