Patent US2612533A successfully refreshed from Google Patents.
US2612533A
Expired / Lapsed
US
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Primary cell
Assignee: Burgess Battery Co
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Filing: 1951-05-29
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Granted: 1952-09-30
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Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 Ivan C Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:08
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
47 words
IN A CURRENT-PRODUCING PRIMARY CELL HAVING A POSITIVE ELECTRODE AND A MAGNESIUM NEGATIVE ELECTRODE AND AN AQUEOUS BROMIDE ELECTROLYTE IN CONTACT WITH SAID ELECTRODES: FOR INHIBITING SPONTANEOUS CORROSION OF SAID NEGATIVE ELECTRODE A COMPOUND IN ACCESS RELATION TO SAID ELECTROLYTE FROM THE GROUP CONSISTING OF BARIUM POTASSIUM
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) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |