US2584946A
Expired / Lapsed
US
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Assignee: ACUMULADORES VULCANIA
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Filing: 1949-09-21
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Granted: 1952-02-05
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Expires: 1969-09-21
Abstract
No abstract record available.
Inventors
- 👤 Viarengo Joao Paulo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:29
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/30; H01M50/308; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7914; Y10T137/8593; Y10T137/86292; Y10T137/86324; Y10T137/86332; Y10T137/87917; Y10T137/87981; Y10T137/87997
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2298789A
Cited
US2335157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |