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US3484555A
Expired / Lapsed
US
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Time-division multiplex with synchronization system
Assignee: United States Department of the Navy
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Filing: 1966-07-15
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Granted: 1969-12-16
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Expires: 1986-07-15
Abstract
No abstract record available.
Inventors
- 👤 Wallace K L Ching
- 👤 James E Cottrell Jr
- 👤 John D Sherman
- 👤 Helmut T Wienmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:51
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/0602; H04L; H04L7/00; H04L7/02; H04L7/033; H04L7/0331
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3102164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |