US3471425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stoving lacquers based on spontaneously cross-linking alkyd resins and alpha-alkoxyalkyl isocyanates
Assignee: Bayer AG
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Filing: 1967-05-31
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Granted: 1969-10-07
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Expires: 1987-05-31
Abstract
No abstract record available.
Inventors
- 👤 Heinz Ehring
- 👤 Bernd Peltzer
- 👤 Hans-Joachim Kreuder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:58
CPC Classifications
C; C09; C09D; C09D175/00; C09D175/04; C09D175/06; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4288; C08G18/70; C08G18/71; C08G18/711; C08G63/00; C08G63/91; C08G63/914; C09D167/00
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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |