US3440609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital synchronization system
Assignee: Texas Instruments Inc
•
Filing: 1965-12-07
•
Granted: 1969-04-22
•
Expires: 1985-12-07
Abstract
No abstract record available.
Inventors
- 👤 William E Bray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/04; G06F1/10; H; H03; H03K; H03K23/00; H03K23/64; H03K23/66; H03K5/00; H03K5/15; H03K5/15013; H03K5/1502
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3226562A
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US3071739A
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US3153776A
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US3156899A
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US3237171A
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US3348029A
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US3359406A
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US3366886A
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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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |