US3474061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosslinkable polymer system and process for the preparation thereof
Assignee: Bayer AG
•
Filing: 1967-01-13
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Granted: 1969-10-21
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Expires: 1987-01-13
Abstract
No abstract record available.
Inventors
- 👤 Wulf Von Bonin
- 👤 Karl-Friedrich Zenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:18
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/71; C08G18/711; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M15/233; D06M15/37; D06M15/564; D06M15/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2340757A
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DE918777C
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US2466404A
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US2592263A
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US2626278A
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US3205284A
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FR1337602A
Cited
GB1034693A
Cited
DE1205087B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |