Patent US2750459A successfully refreshed from Google Patents.
US2750459A
Expired / Lapsed
US
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Electrical selector switch
Assignee: KAUKAUNA MACHINE Corp
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Filing: 1953-07-29
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Granted: 1956-06-12
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Expires: 1973-07-29
Abstract
No abstract record available.
Inventors
- 👤 Everett E Hosea
- 👤 Adrian T Godschalx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:34
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/0066; H01H19/00; H01H19/02; H01H19/10; H01H19/11
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) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |