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Patent US2920304A successfully refreshed from Google Patents.
US2920304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking electrical cap and connector
Assignee: Harvey Hubbell Inc
•
Filing: 1956-01-23
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Granted: 1960-01-05
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Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 Benjamin C Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:51
CPC Classifications
H; H01; H01R; H01R24/00; H01R24/20; H01R13/00; H01R13/64; H01R2105/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1077746A
Cited
DE468822C
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US1784020A
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US1757748A
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US1979958A
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US2090761A
Cited
US2112752A
Cited
US2314671A
Cited
US2815495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |