Patent US3261914A successfully refreshed from Google Patents.
US3261914A
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Typewriter encoding attachment
Assignee: AB Dick Co
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Filing: 1962-09-04
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Granted: 1966-07-19
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:56
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/02; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN ENCODING ATTACHMENT FOR ASSOCIATION WITH A TYPEWRITER WHEREIN THE ACTUATION OF EACH DIFFERENT TYPEWRITER KEY PRODUCES A DIFFERENT CODE OUTPUT, SAID ENCODING ATTACHMENT COMPRISING A PLURALITY OF NONMAGNETIC BOBBINS, A DIFFERENT ONE OF WHICH IS ASSOCIATED WITH A DIFFERENT ONE OF SAID TYPEWRITER KEYS, A PLURALITY OF CONDUCTIVE LINES SELECTIVELY WOUND UPON EACH SAID BOBBIN IN ACCORDANCE WITH A PREDETERMINED CODE REPRESENTATION DESIRED FOR THE TYPEWRITER KEY ASSOCIATED WITH A BOBBIN, AND MAGNETIC MEANS FOR INDUCING A VOLTAGE IN THE WINDINGS ON A BOBBIN RESPONSIVE TO THE ACTUATION OF ITS ASSOCIATED TYPEWRITER KEY WHEREBY SAID PLURALITY OF CONDUCTORS PRESENT A VOLTAGE PATTERN WHICH IS THE ELECTRICAL ENCODING OF THE CHARACTER REPRESENTED BY A TYPEWRITER KEY.
Claim 2
Dependent Claim
116 words
AN ENCODING ATTACHMENT FOR ASSOCIATION WITH A TYPEWRITER WHEREIN THE ACTUATION OF EACH DIFFERENT TYPEWRITER KEY PRODUCES A DIFFERENT CODE OUTPUT, SAID ENCODING ATTACHMENT COMPRISING A PLURALITY OF NONMAGNETIC BOBBINS, A DIFFERENT ONE OF WHICH IS ASSOCIATED WITH A DIFFERENT ONE OF SAID TYPEWRITER KEYS, A PLURALITY OF CONDUCTIVE LINES SELECTIVELY WOUND UPON EACH SAID BOBBIN IN ACCORDANCE WITH A PREDETERMINED CODE REPRESENTATION DESIRED FOR THE TYPEWRITER KEY ASSOCIATED WITH A BOBBIN, AND MAGNETIC MEANS FOR INDUCING A VOLTAGE IN THE WINDINGS ON A BOBBIN RESPONSIVE TO THE ACTUATION OF ITS ASSOCIATED TYPEWRITER KEY WHEREBY SAID PLURALITY OF CONDUCTORS PRESENT A VOLTAGE PATTERN WHICH IS THE ELECTRICAL ENCODING OF THE CHARACTER REPRESENTED BY A TYPEWRITER KEY.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |