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Patent US2878368A successfully refreshed from Google Patents.
US2878368A
Expired / Lapsed
US
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Manually operated rotary selector switches
Assignee: Cutler Hammer Inc
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Filing: 1956-08-02
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Granted: 1959-03-17
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Expires: 1976-08-02
Abstract
No abstract record available.
Inventors
- 👤 William F Nolden
- 👤 Clyde F Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:50
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/63; H01H11/00; H01H11/0006; H01H2011/0043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1977887A
Cited
US1753620A
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US1857875A
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US2357971A
Cited
US2390344A
Cited
US2669616A
Cited
US2748208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |