US3434987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous stoving varnish based on amine salts of semiesters of hydroxyl group-containing,fatty acid-modified alkyd resins
Assignee: Bayer AG
•
Filing: 1967-12-21
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Granted: 1969-03-25
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Expires: 1987-12-21
Abstract
No abstract record available.
Inventors
- 👤 Rolf Dhein
- 👤 Karl Raichle
- 👤 Hermann Schnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:57
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553; C09; C09D; C09D167/00; C09D167/08; Y; Y10; Y10S; Y10S524/00; Y10S524/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA691433A
Cited
US2915486A
Cited
US3196117A
Cited
GB896743A
Cited
US3098834A
Cited
GB962974A
Cited
GB968223A
Cited
US3230162A
Cited
US3196119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |