US3318792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercury cathode cell with noble metaltitanium anode as cover means
Assignee: Imperial Chemical Industries Ltd
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Filing: 1966-05-04
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Granted: 1967-05-09
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Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Cotton Joseph Bernard
- 👤 Bowen Kevin William Joseph
- 👤 Ravenscroft Arthur Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:41
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/073; C25B9/00; C25B11/02; C25B11/033; C25B11/075; C25B11/081; C25B9/005; C25B9/30; C25B9/303; C25B9/60; C25B9/65; C25B9/70
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |