Patent US2810030A successfully refreshed from Google Patents.
US2810030A
Expired / Lapsed
US
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Electric switches
Assignee: Cherry Corp
•
Filing: 1955-02-02
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Granted: 1957-10-15
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Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:02
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079282A
Cited
US2328154A
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US2487374A
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US2486033A
Cited
US2533743A
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US2647179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |