US3520840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing water-soluble resins which are suitable as binding agents in coating compositions for the electrical deposition of coatings
Assignee: Synres Chemische Industrie NV
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Filing: 1968-03-06
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Granted: 1970-07-21
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Expires: 1988-03-06
Abstract
No abstract record available.
Inventors
- 👤 Adolf Adriaan Que
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:52
CPC Classifications
C; C09; C09F; C09F7/00; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553; C09D; C09D5/00; C09D5/44; C09D5/4419; C09D5/4423; Y; Y10; Y10S; Y10S524/00; Y10S524/901; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
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) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |