US2593893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell
Assignee: Duracell Inc USA
•
Filing: 1947-04-14
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Granted: 1952-04-22
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Expires: 1967-04-14
Abstract
No abstract record available.
Inventors
- 👤 Bernard H King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:21
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A COMPOSITE ANODE-ELECTROLYTE MEMBER FOR PRIMARY CELLS CONSISTING OF A SUBSTANTIALLY SOLID SELF-SUPPORTING BODY COMPOSED THROUGHOUT OF A UNIFORM MIXTURE OF ANODE METAL PARTICLES, OF AN ELECTROLYTE, AND OF A COMPATIBLE GELLING AGENT.
Claim 2
Dependent Claim
33 words
A COMPOSITE ANODE-ELECTROLYTE MEMBER FOR PRIMARY CELLS CONSISTING OF A SUBSTANTIALLY SOLID SELF-SUPPORTING BODY COMPOSED THROUGHOUT OF A UNIFORM MIXTURE OF ANODE METAL PARTICLES, OF AN ELECTROLYTE, AND OF A COMPATIBLE GELLING AGENT.
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) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |