US3150240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple contact rotary switches
Assignee: AT&T Inc
•
Filing: 1960-09-06
•
Granted: 1964-09-22
•
Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 Elmer W Voss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:17
CPC Classifications
H; H01; H01H; H01H25/00; H01H25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A ROTARY SWITCH, A HOUSING HAVING AN AXIAL BORE; A PLURALITY OF PAIRS OF AXIALLY SPACED RINGS OF RADIALLY DISPOSED TERMINALS MOUNTED IN SAID HOUSING AND EXTENDING TO SAID BORE OF SAID HOUSING; AN INSULATING PLUNGER MOUNTED WITHIN SAID BORE OF SAID HOUSING, AND AXIALLY MOVABLE INWARDLY AND OUTWARDLY RELATIVE TO SAID BORE, AND ROTATABLY MOVABLE WITHIN SAID BORE; AND MEANS MOUNTED ON SAID PLUNGER AND RESPONSIVE TO: THE AXIAL INWARD AND OUTWARD MOVEMENT OF SAID PLUNGER FOR ENGAGING AND ELECTRICALLY INTERCONNECTING SUCCESSIVE PAIRS OF SAID RINGS OF SAID TERMINALS, AND THE ROTATIONAL MOVEMENT OF SAID PLUNGER FOR ELECTRICALLY INTERCONNECTING A SELECTED PAIR OF TERMINALS IN SAID INTERCONNECTED RINGS.
Claim 2
Dependent Claim
110 words
IN A ROTARY SWITCH, A HOUSING HAVING AN AXIAL BORE; A PLURALITY OF PAIRS OF AXIALLY SPACED RINGS OF RADIALLY DISPOSED TERMINALS MOUNTED IN SAID HOUSING AND EXTENDING TO SAID BORE OF SAID HOUSING; AN INSULATING PLUNGER MOUNTED WITHIN SAID BORE OF SAID HOUSING, AND AXIALLY MOVABLE INWARDLY AND OUTWARDLY RELATIVE TO SAID BORE, AND ROTATABLY MOVABLE WITHIN SAID BORE; AND MEANS MOUNTED ON SAID PLUNGER AND RESPONSIVE TO: THE AXIAL INWARD AND OUTWARD MOVEMENT OF SAID PLUNGER FOR ENGAGING AND ELECTRICALLY INTERCONNECTING SUCCESSIVE PAIRS OF SAID RINGS OF SAID TERMINALS, AND THE ROTATIONAL MOVEMENT OF SAID PLUNGER FOR ELECTRICALLY INTERCONNECTING A SELECTED PAIR OF TERMINALS IN SAID INTERCONNECTED RINGS.
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |