US3189486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary electric cell
Assignee: Olin Corp
•
Filing: 1963-01-14
•
Granted: 1965-06-15
•
Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Michael J Pryor
- 👤 Douglas S Keir
- 👤 Philip R Sperry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:42
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/46; C; C22; C22C; C22C21/00; C22C21/003; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C23F13/14; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A PRIMARY ELECTRIC CELL CONTAINING A METAL ANODE, A CONSUMABLE UNPOLARIZED CATHODE, AND A LIQUID ELECTROLYTE IN CONTACT WITH SAID ANODE AND SAID CATHODE, THE IMPORVEMENT WHEREIN SAID METAL ANODE IS OF ALUMINIUM BASE ALOY CONSISTING ESSENTIALLY OF AT LEAST 90 PERCENT ALUMINUM AND BETWEEN 0.04 AND 0.5 PERCENT TIN WITH THE TIN BEING RTAINED IN SOLID SOLUTION TO THE MAXIMUM DEGREE, SAID MAXIMUM DEGREE BEING 0.1 PERCENT.
Claim 2
Dependent Claim
69 words
IN A PRIMARY ELECTRIC CELL CONTAINING A METAL ANODE, A CONSUMABLE UNPOLARIZED CATHODE, AND A LIQUID ELECTROLYTE IN CONTACT WITH SAID ANODE AND SAID CATHODE, THE IMPORVEMENT WHEREIN SAID METAL ANODE IS OF ALUMINIUM BASE ALOY CONSISTING ESSENTIALLY OF AT LEAST 90 PERCENT ALUMINUM AND BETWEEN 0.04 AND 0.5 PERCENT TIN WITH THE TIN BEING RTAINED IN SOLID SOLUTION TO THE MAXIMUM DEGREE, SAID MAXIMUM DEGREE BEING 0.1 PERCENT.
References Cited (Backward Citations)
US2590584A
Cited
US2565544A
Cited
US2562906A
Cited
US2786088A
Cited
US2953620A
Cited
US3069336A
Cited
US3047478A
Cited
US3063832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |