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US3445544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber-reinforced acrylate resin containing polymeric epichlorohydrin
Assignee: Wyeth Holdings LLC
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Filing: 1966-12-20
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Granted: 1969-05-20
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Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph Michael Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:26
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L71/00; C08L71/02; C08L71/03; C08L21/00; C08L63/00
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |