US3240629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell
Assignee: Olin Corp
•
Filing: 1963-08-27
•
Granted: 1966-03-15
•
Expires: 1983-08-27
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
2026-11-05 14:02
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/46; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PRIMARY CELL OF THE DRY TYPE COMPRISING A CATHODE, AN ELECTROLYTE AND AN ALUMINUM BASE ALLOY CONTAINER AS THE ANODE, SAID ALOY CONTAINING AT ELAST 90 PERCENT ALUMINUM AND BETWEEN 0.01 AND 0.5 PERCENT TIN WHEREIN THE TIN IS RETAINED IN SOLID SOLUTION IN AN AMOUNT FROM 0.01 TO 0.06 PERCENT.
Claim 2
Dependent Claim
52 words
A PRIMARY CELL OF THE DRY TYPE COMPRISING A CATHODE, AN ELECTROLYTE AND AN ALUMINUM BASE ALLOY CONTAINER AS THE ANODE, SAID ALOY CONTAINING AT ELAST 90 PERCENT ALUMINUM AND BETWEEN 0.01 AND 0.5 PERCENT TIN WHEREIN THE TIN IS RETAINED IN SOLID SOLUTION IN AN AMOUNT FROM 0.01 TO 0.06 PERCENT.
References Cited (Backward Citations)
US2565544A
Cited
US2554447A
Cited
US2838591A
Cited
US2801917A
Cited
US2913384A
Cited
US3063832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |