US2624767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary battery
Assignee: Thomas A Edison Inc
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Filing: 1946-11-22
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Granted: 1953-01-06
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Expires: 1966-11-22
Abstract
No abstract record available.
Inventors
- 👤 Moulton Joseph Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:52
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/045; H01M6/30; H01M6/36; H01M6/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
41 words
A PRIMARY CELL COMPRISING A PAIR OF SPACED ANODE AND CATHODE PLATES, A SHEET OF A WICK-TYPE MATERIAL SPACED FROM AND POSITIONED BETWEEN SAID PLATES, AND A DRY ELECTROLYTE MATERIAL IN THE SPACE BETWEEN SAID SHEET AND ONE OF SAID PLATES.
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) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |