US2809225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell
Assignee: RCA Corp
•
Filing: 1954-04-21
•
Granted: 1957-10-08
•
Expires: 1974-04-21
Abstract
No abstract record available.
Inventors
- 👤 Clarence K Morehouse
- 👤 Glicksman Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:49
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/46; H01M6/00; H01M6/04; H01M6/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A DRY CELL INCLUDING AN ANODE CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND MAGNESIUM-BASE ALLOYS, AN ELECTROLYTE, AND A CATHODE CONSISTING ESSENTIALLY OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BISMUTH OXIDE, BISMUTH TETROXIDE, BISMUTH OXYCHLORIDE, BISMUTH OXYBROMIDE, BISMUTH OXYIODIDE, BISMUTH IODATE, SODIUM BISMUTHATE, AND NITRATES OF BISMUTH INSOLUBLE IN SAID ELECTROLYTE.
Claim 2
Dependent Claim
61 words
A DRY CELL INCLUDING AN ANODE CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND MAGNESIUM-BASE ALLOYS, AN ELECTROLYTE, AND A CATHODE CONSISTING ESSENTIALLY OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BISMUTH OXIDE, BISMUTH TETROXIDE, BISMUTH OXYCHLORIDE, BISMUTH OXYBROMIDE, BISMUTH OXYIODIDE, BISMUTH IODATE, SODIUM BISMUTHATE, AND NITRATES OF BISMUTH INSOLUBLE IN SAID ELECTROLYTE.
References Cited (Backward Citations)
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Cited
US999762A
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US946540A
Cited
US1036471A
Cited
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Cited
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Cited
US2612533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |