US3204221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character comparators
Assignee: International Business Machines Corp
•
Filing: 1959-07-24
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Granted: 1965-08-31
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Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Huberto M Sierra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/22; G06F7/24; G06F7/02; G06F7/026
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
231 words
A SYSTEM FOR SORTING INPUT CHARACTERS COMPRISING MEANS FOR PROVIDING THE INPUT CHARACTERS IN BINARY CODED DECIMAL FORM, FIRST AND SECOND BINARY CODED DECIMAL TO THE MODIFIED CODE CONVERTERS FOR PROVIDING INDIVIDUAL SIGNALS ON DIFFERENT LINES REPRESENTATIVE OF SPECIAL AND ZONE CHARACTERS, A FIRST MAGNETIC CORE PLANE INCLUDING A PLURALITY OF MAGNETIC CORE ELEMENTS, EACH OF WHICH ELEMENTS IS THREADED BY LINES FROM EACH OF THE FIRST AND SECOND CONVERTERS AND COINCIDENTLY OPERATED THEREBY, A FIRST GROUP OF SENSING CIRCUITS COUPLED IN SELECTED PATTERNS TO THE MAGNETIC CORE ELEMENTS OF THE FIRST PLANE FOR PROVIDING DIFFERENT PRIORITY INDICATIONS FROM THE MAGNETIC CORES WHICH HAVE BEEN OPERATED, FIRST AND SECOND BINARY TO DECIMAL CONVERTER CIRCUITS, EACH RESPONSIVE TO A BINARY PART OF A DIFFERENT ONE OF THE INPUT CHARACTERS AND PROVIDING DECIMAL INDICATIONS ON ONE OF A NUMBER OF DIFFERENT LINES, A SECOND MAGNETIC CORE PLANE CONSISTING OF A NUMBER OF MAGNETIC CORE ELEMENTS, EACH OF WHICH ELEMENTS IS THREADED BY LINES FROM EACH OF THE BINARY TO DECIMAL CONVERTERS AND COINCIDENTLY OPERATED THEREBY, A SECOND GROUP OF SENSING CIRCUITS COUPLED IN SELECTED PARRTENS TO THE MAGNETIC CORE CLEMENTS IN THE SECOND PLANE FOR PROVIDING DIFFERENT PRIORITY INDICATINS FROM THE MAGNETIC CORES WHICH HAVE BEEN OPERATED, AND DECISION CIRCUITS COUPLED TO THE SENSING CIRCUITS OF THE FIRST AND SECOND PLANES AND PROVIDING SIGNALS INDICATIVE OF THE PRIORITY RELATIONSHIP BETWEEN THE INPUT CHARACTERS.
References Cited (Backward Citations)
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |