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Patent US2539628A successfully refreshed from Google Patents.
US2539628A
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US
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Solderless connector
Assignee: Schneider Electric USA Inc
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Filing: 1947-02-08
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Granted: 1951-01-30
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Expires: 1967-02-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Kingdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:01
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/38; H01R4/40; H01R4/30; H01R4/36; H01R9/00; H01R9/16; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3958; Y10T24/3967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1741804A
Cited
US2088481A
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US2145556A
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US2147160A
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US2199793A
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US2312240A
Cited
US2265911A
Cited
US2371446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |