US3539486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electrolytically producing alkaline chlorates
Assignee: Krebs and Co AG
•
Filing: 1967-09-12
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Granted: 1970-11-10
•
Expires: 1987-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jacques Fleck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:14
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/24; C25B1/26; C25B1/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3385779A
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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 |