Patent US2864286A successfully refreshed from Google Patents.
US2864286A
Expired / Lapsed
US
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Apparatus for making dry cells
Assignee: Burgess Battery Co
•
Filing: 1953-10-28
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Granted: 1958-12-16
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Expires: 1973-10-28
Abstract
No abstract record available.
Inventors
- 👤 Edward R Rawson
- 👤 Douglas E Whalen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:53
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1336838A
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DE568834C
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US1089618A
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US1210577A
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US1173763A
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US1708828A
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US1707209A
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US2318208A
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US2428098A
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US2648419A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |