US2897249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cells
Assignee: RCA Corp
•
Filing: 1957-12-17
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Granted: 1959-07-28
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Expires: 1977-12-17
Abstract
No abstract record available.
Inventors
- 👤 Glicksman Richard
- 👤 Clarence K Morehouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:15
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/46; H01M4/60; H01M6/00; H01M6/04; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A PRIMARY CELL, THE COMBINATION OF AN ANODE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, ALUMINUM, AND ZINC, WITH A CATHODE INCLUDING A DEPOLARIZER CONSISTING OF AN ORGANIC OXIDIZING SUBSTANCE IN WHICH THE OXIDIZING PROPERTIES OF SAID SUBSTANCE ARE DUE AT LEAST IN PART TO POLYVALENT IODINE IN A POSITIVE OXIDATION STATE CHEMICALLY COMBINED TO A CARBON ATOM IN SAID SUBSTANCE.
Claim 2
Dependent Claim
62 words
IN A PRIMARY CELL, THE COMBINATION OF AN ANODE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, ALUMINUM, AND ZINC, WITH A CATHODE INCLUDING A DEPOLARIZER CONSISTING OF AN ORGANIC OXIDIZING SUBSTANCE IN WHICH THE OXIDIZING PROPERTIES OF SAID SUBSTANCE ARE DUE AT LEAST IN PART TO POLYVALENT IODINE IN A POSITIVE OXIDATION STATE CHEMICALLY COMBINED TO A CARBON ATOM IN SAID SUBSTANCE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |