Patent US2605425A successfully refreshed from Google Patents.
US2605425A
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Device for synchronizing two oscillations
Assignee: Hartford National Bank and Trust Co
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Filing: 1946-11-22
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Granted: 1952-07-29
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Expires: 1966-11-22
Abstract
No abstract record available.
Inventors
- 👤 Hugenholtz Eduard Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:28
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066528A
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US2209507A
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US2280525A
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US2332540A
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US2273771A
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US2368052A
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US2343263A
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US2340432A
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US2335265A
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US2379689A
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US2450019A
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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) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |