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Patent US2780790A successfully refreshed from Google Patents.
US2780790A
Expired / Lapsed
US
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Means of mounting contacts in electrical receptacles
Assignee: Harvey Hubbell Inc
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Filing: 1950-08-09
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Granted: 1957-02-05
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Expires: 1970-08-09
Abstract
No abstract record available.
Inventors
- 👤 Hubbell Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:51
CPC Classifications
H; H01; H01R; H01R25/00; H01R25/006; H01R31/00; H01R31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |