US3248052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyboard encoder
Assignee: Unisys Corp
•
Filing: 1964-06-25
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Granted: 1966-04-26
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Expires: 1984-06-25
Abstract
No abstract record available.
Inventors
- 👤 Schonfeld Arnold
- 👤 Jacoby Marvin
- 👤 Trevor D Reader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:44
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A DATA ENCODER FOR PRODUCING OUTPUT SIGNALS REPRESENTING BITS OF A CHARACTER EXPRESSED IN A SECOND CODE IN RESPONSE TO INPUT SIGNALS REPRESENTING CHARACTERS EXPRESSED IN A FIRST CODE, SAID ENCODER COMPRISING: A SOURCE OF FLUID; A PLURALITY OF FLUID OPERATED LOGICAL OR CIRCUITS, ONE FOR EACH BIT OF CHARACTER EXPRESSED IN SAID SECOND CODE, EACH OF SAID OR CIRCUITS HAVING A PLURALITY OF INPUTS AND AN OUTPUT; A PLURALITY OF CHANNEL MEANS CONNECTING SAID SOURCE TO THE INPUTS OF SAID OR CIRCUITS; AND A PLU-
Claim 2
Dependent Claim
86 words
A DATA ENCODER FOR PRODUCING OUTPUT SIGNALS REPRESENTING BITS OF A CHARACTER EXPRESSED IN A SECOND CODE IN RESPONSE TO INPUT SIGNALS REPRESENTING CHARACTERS EXPRESSED IN A FIRST CODE, SAID ENCODER COMPRISING: A SOURCE OF FLUID; A PLURALITY OF FLUID OPERATED LOGICAL OR CIRCUITS, ONE FOR EACH BIT OF CHARACTER EXPRESSED IN SAID SECOND CODE, EACH OF SAID OR CIRCUITS HAVING A PLURALITY OF INPUTS AND AN OUTPUT; A PLURALITY OF CHANNEL MEANS CONNECTING SAID SOURCE TO THE INPUTS OF SAID OR CIRCUITS; AND A PLU-
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |