Patent US2479090A successfully refreshed from Google Patents.
US2479090A
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Thermosetting resins plasticized with polyesters
Assignee: Wyeth Holdings LLC
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Filing: 1946-07-19
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Granted: 1949-08-16
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Expires: 1966-07-19
Abstract
No abstract record available.
Inventors
- 👤 Henry P Wohnsiedler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:23
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/20; C08L61/26; C08L61/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2014889A
Cited
US1783166A
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US2197357A
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US2218474A
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US2187566A
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US2294590A
Cited
US2341735A
Cited
GB595879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |