US3523100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel compositions for polyurethane coatings
Assignee: Henkel AG and Co KGaA
•
Filing: 1967-10-12
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Granted: 1970-08-04
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Expires: 1987-10-12
Abstract
No abstract record available.
Inventors
- 👤 Werner Stein
- 👤 Joachim Barnstorf
- 👤 Uwe Ploog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:29
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/40; C08G18/48; C08G18/487; C08G18/4879; C08G18/4887; C08G18/64
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) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |