US3539485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baking enamels based on aqueous binder formulations
Assignee: BASF SE
•
Filing: 1967-08-14
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Granted: 1970-11-10
•
Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Gress
- 👤 Werner Neumann
- 👤 Erwin Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:44
CPC Classifications
C; C09; C09D; C09D167/00; C09D161/00; C09D161/04; C09D161/06; C09D161/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2170809A
Cited
US2360897A
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US2413860A
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US3242119A
Cited
US3357938A
Cited
US3437616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |