Patent US2941047A successfully refreshed from Google Patents.
US2941047A
Expired / Lapsed
US
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Electric switch
Assignee: Essex Wire Corp
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Filing: 1958-03-24
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Granted: 1960-06-14
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Adolph W Grashoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:17
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/28; H01H23/30; H01H13/00; H01H13/50; H01H13/64; H01H23/02; H01H25/00; H01H25/008
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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |