Patent US3008087A successfully refreshed from Google Patents.
US3008087A
Expired / Lapsed
US
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Signal synchronizing system utilizing adjustable delay apparatus
Assignee: AT&T Inc
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Filing: 1958-04-24
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Granted: 1961-11-07
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Expires: 1978-04-24
Abstract
No abstract record available.
Inventors
- 👤 George P Darwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:19
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/081; H03L7/0812; H03L7/0814; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/062; H04J3/0626
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |