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US2984725A
Expired / Lapsed
US
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Weatherproof plate for pressureoperated switch
Assignee: Harvey Hubbell Inc
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Filing: 1958-12-11
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Granted: 1961-05-16
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Hubbell Harvey
- 👤 Ernest R Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:55
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/04; H01H23/06; H01H9/00; H01H9/02; H01H9/04; H01H2009/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1237501A
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US2197178A
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US2259622A
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US2343060A
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US2439408A
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US2475404A
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US2750480A
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US2795144A
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US2812402A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |