Patent US2886449A successfully refreshed from Google Patents.
Patent US2326727A successfully refreshed from Google Patents.
US2326727A
Expired / Lapsed
US
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Accelerator of the delayed action type and acid-curing thermosetting resin
Assignee: Wyeth Holdings LLC
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Filing: 1939-07-04
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Granted: 1943-08-10
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Expires: 1959-07-04
Abstract
No abstract record available.
Inventors
- 👤 Paul C Schroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:25
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17
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) | 1946-08-09 | 1947-02-08 | 1947-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-09 | 1951-02-08 | 1951-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-09 | 1955-02-08 | 1955-08-10 | $7700.00 | Window Closed / Lapsed |