Patent US3475299A successfully refreshed from Google Patents.
US3475299A
Expired / Lapsed
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Process for the electrolytic reduction of aromatic nitro compounds
Assignee: Bayer Corp
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Filing: 1967-04-06
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Granted: 1969-10-28
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Expires: 1987-04-06
Abstract
No abstract record available.
Inventors
- 👤 James Edward Slager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:04
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/10; C25B; C25B3/00; C25B3/01; C25B3/07; C25B3/09; C25B3/20; C25B3/25; C25D1/08; H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022
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) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |