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Patent US2491879A successfully refreshed from Google Patents.
US2491879A
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Terminal construction
Assignee: Thomas A Edison Inc
•
Filing: 1945-03-08
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Granted: 1949-12-20
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Expires: 1965-03-08
Abstract
No abstract record available.
Inventors
- 👤 Hubert M Teague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:59
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/50; H01M50/543; H01M50/547; H01M50/55; H01M50/552; H01M50/559; H01M50/562; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US425818A
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US482979A
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US695707A
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US768175A
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US1127935A
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US1582567A
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US1971275A
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GB552647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |