Patent US3236940A successfully refreshed from Google Patents.
US3236940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teletype code control circuits
Assignee: CHASKIN DIMMICK CORP
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Filing: 1962-05-24
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Granted: 1966-02-22
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Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Wilbur S Chaskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:51
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/28; H04L12/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A BINARY CODED SYSTEM OF THE TYPE WHEREIN EACH LETTER OR CHARACTER EMPLOYED IS DESIGNATED BY A CODE EMPOLYING BITS HAVING TWO POSSIBLE CONDITIONS, A LETTER OR CHARACTER RECOGNITION SYSTEM COMPRISING: MEANS FOR RECEIVING A SIGNAL CORRESPONDING TO SAID LETTERS OR CHARACTERS; FIRST RECOGNITION MEANS FOR RECOGNIZING ONLY LETTERS OR CHARACTERS HAVING BUT A SINGLE TRANSITION FROM ONE OF SAID CONDITIONS OF THE OTHER OF SAID CONDITIONS; MEANS FOR COUNTING THE LETTERS OR CHARACTERS RECOGNIZED BY SAID FIRST RECOGNITION MEANS; SECOND RECOGNITION MEANS FOR RECOGNIZING ONLY LETTERS AND CHARACTERS HAVING A SECOND TRANSISTOR FROM ONE OF SAID CONDITIONS TO THE OTHER OF SAID CONDITIONS; OUTPUT MEANS FOR PRODUCING AN OUTPUT DEPENDENT UPON THE NUMBER OF LETTERS OR CHARACTERS RECOGNIZED BY SAID FIRST RECOGNITION MEANS; AND MEANS RESPONSIVE TO SAID SECOND RECOGNITION MEANS FOR DISABLING SAID OUTPUT MEANS FROM PRODUCING AN OUTPUT WHEN A LETTER OR CHARACTER HAS A SECOND TRANSITION.
Claim 2
Dependent Claim
151 words
IN A BINARY CODED SYSTEM OF THE TYPE WHEREIN EACH LETTER OR CHARACTER EMPLOYED IS DESIGNATED BY A CODE EMPOLYING BITS HAVING TWO POSSIBLE CONDITIONS, A LETTER OR CHARACTER RECOGNITION SYSTEM COMPRISING: MEANS FOR RECEIVING A SIGNAL CORRESPONDING TO SAID LETTERS OR CHARACTERS; FIRST RECOGNITION MEANS FOR RECOGNIZING ONLY LETTERS OR CHARACTERS HAVING BUT A SINGLE TRANSITION FROM ONE OF SAID CONDITIONS OF THE OTHER OF SAID CONDITIONS; MEANS FOR COUNTING THE LETTERS OR CHARACTERS RECOGNIZED BY SAID FIRST RECOGNITION MEANS; SECOND RECOGNITION MEANS FOR RECOGNIZING ONLY LETTERS AND CHARACTERS HAVING A SECOND TRANSISTOR FROM ONE OF SAID CONDITIONS TO THE OTHER OF SAID CONDITIONS; OUTPUT MEANS FOR PRODUCING AN OUTPUT DEPENDENT UPON THE NUMBER OF LETTERS OR CHARACTERS RECOGNIZED BY SAID FIRST RECOGNITION MEANS; AND MEANS RESPONSIVE TO SAID SECOND RECOGNITION MEANS FOR DISABLING SAID OUTPUT MEANS FROM PRODUCING AN OUTPUT WHEN A LETTER OR CHARACTER HAS A SECOND TRANSITION.
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |