US3202600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current conducting element for aluminum reduction cells
Assignee: British Aluminum Co Ltd
•
Filing: 1961-06-12
•
Granted: 1965-08-24
•
Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Ransley Charles Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:44
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A CURRENT-CONDUCTING ELEMENT CONSISTING ESSENTIALLY
Claim 2
Dependent Claim
5 words
A CURRENT-CONDUCTING ELEMENT CONSISTING ESSENTIALLY
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |