Patent US2836644A successfully refreshed from Google Patents.
US2836644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cells
Assignee: RCA Corp
•
Filing: 1956-06-13
•
Granted: 1958-05-27
•
Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 Clarence K Morehouse
- 👤 Glicksman Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:26
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/60; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN A PRIMARY CELL, AN ANODE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND MAGNESIUM BASE ALLOYS IN COMBINATION WITH A CATHODE INCLUDING A DEPOLARIZER CONSISTING OF AN ORGANIC OXIDIZING COMPOUND IN WHICH THE OXIDIZING PROPERTIES OF SAID COMPOUND ARE DUE AT LEAST IN PART TO ALIPHATIC AZO GROUPS CHEMICALLY COMBINED IN SAID COMPOUND.
Claim 2
Dependent Claim
54 words
IN A PRIMARY CELL, AN ANODE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND MAGNESIUM BASE ALLOYS IN COMBINATION WITH A CATHODE INCLUDING A DEPOLARIZER CONSISTING OF AN ORGANIC OXIDIZING COMPOUND IN WHICH THE OXIDIZING PROPERTIES OF SAID COMPOUND ARE DUE AT LEAST IN PART TO ALIPHATIC AZO GROUPS CHEMICALLY COMBINED IN SAID COMPOUND.
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) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |