Patent US2632783A successfully refreshed from Google Patents.
US2632783A
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Method of making dry cells and batteries
Assignee: Burgess Battery Co
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Filing: 1950-10-24
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Granted: 1953-03-24
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Expires: 1970-10-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Coleman
- 👤 Milton E Wilke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:59
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M6/04; H01M6/06; H01M50/00; H01M50/50; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1484926A
Cited
US738025A
Cited
GB128012A
Cited
FR505515A
Cited
US1510364A
Cited
US1766418A
Cited
US2175686A
Cited
US2463089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |