US2992143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid primary cells
Assignee: Remington Arms Co LLC
•
Filing: 1958-10-14
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Granted: 1961-07-11
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Expires: 1978-10-14
Abstract
No abstract record available.
Inventors
- 👤 John E Clifford
- 👤 Mccallum John
- 👤 Donald E Semones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:06
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PRIMARY CELL COMPRISING A CATHODE, AN ALLOY ANODE CONSISTING ESSENTIALLY OF AT LEAST 50 ATOMIC PERCENT TITAMIUM, THE REMAINDER BEING ESSENTIALLY MOLYBDENUM AND A MATERIAL OF THE GROUP CONSISTING OF ALUMINUM AND MIOBIUM, AND AN ELECTROLYTE CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF FROM ABOUT 30 TO 100 WEIGHT PERCENT ORTHO-PHOSPHORIC ACID.
Claim 2
Dependent Claim
53 words
A PRIMARY CELL COMPRISING A CATHODE, AN ALLOY ANODE CONSISTING ESSENTIALLY OF AT LEAST 50 ATOMIC PERCENT TITAMIUM, THE REMAINDER BEING ESSENTIALLY MOLYBDENUM AND A MATERIAL OF THE GROUP CONSISTING OF ALUMINUM AND MIOBIUM, AND AN ELECTROLYTE CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF FROM ABOUT 30 TO 100 WEIGHT PERCENT ORTHO-PHOSPHORIC ACID.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |