US3280256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication equipment set, keyboard, printer and recorder
Assignee: SCM Corp
•
Filing: 1962-04-03
•
Granted: 1966-10-18
•
Expires: 1982-04-03
Abstract
No abstract record available.
Inventors
- 👤 Clayton H Clark
- 👤 Donald J Stefanik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:10
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/16; H04L17/24; B; B41; B41J; B41J1/00; B41J1/22; B41J1/32; G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/34; H04L13/00; H04L13/02; H04L13/06; H04L13/08; H04L13/18; H04L13/182; H04L17/02; H04L17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A MULTIPLE BIT CODE SIGNAL COMMUNICATION KEYBOARD TRANSMITTER, PRINTER AND MAGNETIC TAPE RECORDER-READER SET INCLUDING: ELECTRONIC CONTROLS AND A COMMON POWER SUPPLY UNIT FOR ALL THREE MAJOR COMPONENTS AND A TIME BASE DEVICE FOR SAID KEYBOARD TRANSMITTER; ELECTRONIC MEANS IN SAID KEYBOARD TRANSMITTER FOR ENABLING ENCODING OF KEYBOARD SELECTIONS IN BOTH PARALLEL AND SERIAL FORM IN SEQUENTIAL ORDER; AND SAID ELECTRONIC CONTROLS INCLUDING A MODE CONTROL MEANS PERMITTING SELECTIVE CODE TRANSMISSION OUTPUT UNDER CONTROL OF SAID KEYBOARD AND OF SAID RECORDER WITH MONITORING IN EITHER CASE BY SAID PRINTER AND INCLUDING: MEANS ENABLING CONJOINT TRANSMISSION OF SERIAL CODE FORM INFORMATION FROM SAID KEYBOARD TRANSMITTER, AT A TRANSMISSION RATE CONTROLLED BY SAID TIME BASE DEVICE, TO SAID PRINTER AND OF THE SAME INFORMATION IN PARALLEL CODE FORM FROM SAID KEYBOARD TRANSMITTER TO SAID RECORDER.
Claim 2
Dependent Claim
133 words
A MULTIPLE BIT CODE SIGNAL COMMUNICATION KEYBOARD TRANSMITTER, PRINTER AND MAGNETIC TAPE RECORDER-READER SET INCLUDING: ELECTRONIC CONTROLS AND A COMMON POWER SUPPLY UNIT FOR ALL THREE MAJOR COMPONENTS AND A TIME BASE DEVICE FOR SAID KEYBOARD TRANSMITTER; ELECTRONIC MEANS IN SAID KEYBOARD TRANSMITTER FOR ENABLING ENCODING OF KEYBOARD SELECTIONS IN BOTH PARALLEL AND SERIAL FORM IN SEQUENTIAL ORDER; AND SAID ELECTRONIC CONTROLS INCLUDING A MODE CONTROL MEANS PERMITTING SELECTIVE CODE TRANSMISSION OUTPUT UNDER CONTROL OF SAID KEYBOARD AND OF SAID RECORDER WITH MONITORING IN EITHER CASE BY SAID PRINTER AND INCLUDING: MEANS ENABLING CONJOINT TRANSMISSION OF SERIAL CODE FORM INFORMATION FROM SAID KEYBOARD TRANSMITTER, AT A TRANSMISSION RATE CONTROLLED BY SAID TIME BASE DEVICE, TO SAID PRINTER AND OF THE SAME INFORMATION IN PARALLEL CODE FORM FROM SAID KEYBOARD TRANSMITTER TO SAID RECORDER.
References Cited (Backward Citations)
US1998555A
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |