US3511765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrying out electrochemical reactions
Assignee: BASF SE
•
Filing: 1966-07-08
•
Granted: 1970-05-12
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Expires: 1986-07-08
Abstract
No abstract record available.
Inventors
- 👤 Fritz Beck
- 👤 Hans Leitner
- 👤 Harald Guthke
- 👤 Karl Wintersberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:23
CPC Classifications
C; C25; C25B; C25B3/00; C25B3/20; C25B3/25; C25B11/00; C25B11/02; C25B15/00; C25B15/06; C25B3/01; C25B3/09; C25B3/29; C25B3/295; C25B9/00; C25B9/13; C25B9/17; C25B9/30; C25B3/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA730231A
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US1225052A
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US1544052A
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US2071260A
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DE895761C
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US2816067A
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US2919235A
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US3342718A
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US3379634A
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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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |