Patent US2680547A successfully refreshed from Google Patents.
US2680547A
Expired / Lapsed
US
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Battery grid plate pasting machine
Assignee: Individual
•
Filing: 1948-04-05
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Granted: 1954-06-08
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Expires: 1968-04-05
Abstract
No abstract record available.
Inventors
- 👤 George A Donath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:16
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M4/16; H01M4/20; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T29/00; Y10T29/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1398790A
Cited
US1518226A
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US1651678A
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US1757546A
Cited
US1975039A
Cited
US2212070A
Cited
US2382367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |