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US2790866A
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Assignee: Cherry Corp
•
Filing: 1955-02-02
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Granted: 1957-04-30
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Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter L Cherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:26
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)
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US2515528A
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US2631205A
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US2601152A
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US2651690A
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US2728826A
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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) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |