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US2905780A
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Assignee: Cherry Corp
•
Filing: 1956-09-24
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Granted: 1959-09-22
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Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter L Cherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:31
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/04; H01H5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578360A
Cited
US1709944A
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GB567471A
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US2487374A
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US2429813A
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FR952100A
Cited
US2740019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |