US3387086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiplexing system for synchronous transmission of start-stop signals after removal of the start and stop bits
Assignee: Ultronic Systems Corp
•
Filing: 1964-06-29
•
Granted: 1968-06-04
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Peter W Beresin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:07
CPC Classifications
H; H04; H04L; H04L5/00; H04L5/22; H04J; H04J3/00; H04J3/16; H04J3/1605; H04J3/1623; H04J3/1647; H04L5/24; H04L5/245
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2946044A
Cited
US3310626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |