Patent US4450842A successfully refreshed from Google Patents.
Patent US3410784A successfully refreshed from Google Patents.
US3410784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for performing electrolytic processes
Assignee: Electric Reduction Company of Canada Ltd
•
Filing: 1965-06-16
•
Granted: 1968-11-12
•
Expires: 1985-06-16
Abstract
No abstract record available.
Inventors
- 👤 Maunsell Richard Mark Orpen
- 👤 Hanlon Lloyd Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:36
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/02; C25B11/036; C25B9/00; C25B9/70; C25B11/04; C25B11/051; C25B11/073; C25B11/075; C25B11/081
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |