Patent US3159712A successfully refreshed from Google Patents.
US3159712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical signal combiner
Assignee: AT&T Teletype Corp
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Filing: 1961-08-30
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Granted: 1964-12-01
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Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Robert E Arko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:02
CPC Classifications
H; H04; H04L; H04L9/00; H04L9/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A SIGNAL ENCODING APPARATUS HAVING A FIRST SIGNAL GENERATOR FOR THE MESSAGE TO BE ENCODED AND A SECOND SIGNAL GENERATOR FOR PROVIDING CONTROL SIGNALS TO BE COMBINED WITH THE MESSAGE TO FORM AN ENCODED MESSAGE THE COMBINATION COMPRISING A FIRST MEANS MOVABLE IN ONE DIRECTION IN RESPONSE TO A SIGNAL OF ONE CONDITION FROM A MESSAGE SIGNAL GENERATOR AND MOVABLE IN A SECOND DIRECTION IN RESPONSE TO A SECOND CONDITION FROM SAID MESSAGE SIGNAL GENERATOR, A SECOND MEANS MOVABLE IN ONE DIRECTION IN RESPONSE TO A SIGNAL OF A FIRST CONDITION FROM THE CONTROL SIGNAL GENERATOR AND MOVABLE IN A SECOND DIRECI TION IN RESPONSE TO A SIGNAL OF A SECOND CONDITION FROM SAID CONTROL SIGNAL GENERATOR, A FIRST PIVOTALLY MOUNTED LEVER HAVING AN END ACTUATED BY SAID FIRST AND SECOND MEANS, AND A SECOND LEVER PIVOTED ON SAID FIRST LEVER AND HAVING ONE END ACTUATED BY SAID FIRST AND SECOND MEANS AND HAVING ITS OPPOSITE END INDICATIING A MARKING OR SPACING CONDITION BY ITS POSITION.
Claim 2
Dependent Claim
167 words
IN A SIGNAL ENCODING APPARATUS HAVING A FIRST SIGNAL GENERATOR FOR THE MESSAGE TO BE ENCODED AND A SECOND SIGNAL GENERATOR FOR PROVIDING CONTROL SIGNALS TO BE COMBINED WITH THE MESSAGE TO FORM AN ENCODED MESSAGE THE COMBINATION COMPRISING A FIRST MEANS MOVABLE IN ONE DIRECTION IN RESPONSE TO A SIGNAL OF ONE CONDITION FROM A MESSAGE SIGNAL GENERATOR AND MOVABLE IN A SECOND DIRECTION IN RESPONSE TO A SECOND CONDITION FROM SAID MESSAGE SIGNAL GENERATOR, A SECOND MEANS MOVABLE IN ONE DIRECTION IN RESPONSE TO A SIGNAL OF A FIRST CONDITION FROM THE CONTROL SIGNAL GENERATOR AND MOVABLE IN A SECOND DIRECI TION IN RESPONSE TO A SIGNAL OF A SECOND CONDITION FROM SAID CONTROL SIGNAL GENERATOR, A FIRST PIVOTALLY MOUNTED LEVER HAVING AN END ACTUATED BY SAID FIRST AND SECOND MEANS, AND A SECOND LEVER PIVOTED ON SAID FIRST LEVER AND HAVING ONE END ACTUATED BY SAID FIRST AND SECOND MEANS AND HAVING ITS OPPOSITE END INDICATIING A MARKING OR SPACING CONDITION BY ITS POSITION.
References Cited (Backward Citations)
US2402082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |