US3440440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Input-output circuit
Assignee: Unisys Corp
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Filing: 1966-04-29
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Granted: 1969-04-22
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Expires: 1986-04-29
Abstract
No abstract record available.
Inventors
- 👤 Leroy A Prohofsky
- 👤 Peter R Tierney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/0175; H03K19/018; H03K19/01825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN ELECTRICAL SIGNAL CABLE TRANSMISSION APPARATUS COMPRISING: A TRANSMISSION CABLE INCLUDING A BIAS WIRE AND A PLURALITY OF SIGNAL WIRES EACH HAVING FIRST AND SECOND ENDS; A PLURALITY OF OUTPUT CIRCUITS; THE FIRST END OF EACH OF SAID SIGNAL WIRES CONNECTED TO ONE OF SAID OUTPUT CIRCUITS; THE FIRST END OF SAID BIAS WIRE ADAPTED FOR CONNECTION TO A SOURCE OF BIAS VOLTAGE; A PLURALITY OF INPUT CIRCUITS; THE SECOND END OF EACH OF SAID SIGNAL WIRES CONNECTED TO ONE OF SAID PLURALITY OF INPUT CIRCUITS; AND THE SECOND END OF SAID BIAS WIRE CONNECTED TO ALL OF SAID PLURALITY OF INPUT CIRCUITS.
Claim 2
Dependent Claim
103 words
AN ELECTRICAL SIGNAL CABLE TRANSMISSION APPARATUS COMPRISING: A TRANSMISSION CABLE INCLUDING A BIAS WIRE AND A PLURALITY OF SIGNAL WIRES EACH HAVING FIRST AND SECOND ENDS; A PLURALITY OF OUTPUT CIRCUITS; THE FIRST END OF EACH OF SAID SIGNAL WIRES CONNECTED TO ONE OF SAID OUTPUT CIRCUITS; THE FIRST END OF SAID BIAS WIRE ADAPTED FOR CONNECTION TO A SOURCE OF BIAS VOLTAGE; A PLURALITY OF INPUT CIRCUITS; THE SECOND END OF EACH OF SAID SIGNAL WIRES CONNECTED TO ONE OF SAID PLURALITY OF INPUT CIRCUITS; AND THE SECOND END OF SAID BIAS WIRE CONNECTED TO ALL OF SAID PLURALITY OF INPUT CIRCUITS.
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) | 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 |