US3472956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing circuit for a receiving distributor
Assignee: AT&T Teletype Corp
•
Filing: 1965-11-02
•
Granted: 1969-10-14
•
Expires: 1985-11-02
Abstract
No abstract record available.
Inventors
- 👤 Jerry M Glasson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:22
CPC Classifications
H; H04; H04L; H04L7/00; H04L7/04; H04L7/041; H04L7/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3245040A
Cited
US3159812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |