Patent US3383359A successfully refreshed from Google Patents.
US3383359A
Expired / Lapsed
US
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Olefinically unsaturated cyanic acid aryl esters and polymers thereof
Assignee: Bayer AG
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Filing: 1965-09-09
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Granted: 1968-05-14
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Expires: 1985-09-09
Abstract
No abstract record available.
Inventors
- 👤 Weitzel Hans
- 👤 Dinges Karl
- 👤 Grigat Ernst
- 👤 Putter Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:03
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/285; C; C08; C08F; C08F20/00; C08F20/62; D06M15/263; D06M15/267
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3290270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |