Patent US3102939A successfully refreshed from Google Patents.
US3102939A
Expired / Lapsed
US
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Electric switch comprising movable contact on pivotable trough-shaped support
Assignee: Wurlitzer Co
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Filing: 1960-10-26
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Granted: 1963-09-03
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Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Howard G Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:28
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/32; G10H1/34; G10H1/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A KEYSWITCH ARRANGEMENT FOR ELECTRONIC MUSICAL INSTRUMENTS, THE COMBINATION COMPRISING INSULATING SUPPORT MEANS, A CONTACT ELEMENT EXTENDING THEREFROM, A KEY INTERCONNECTED WITH SAID CONTACT ELEMENT FOR DEFLECTING SAID ELEMENT IN A GIVEN DIRECTION, A BUS BAR DISPOSED TRANSVERSELY OF SAID CONTACT ELEMENT AND SPACED THEREFROM IN SAID GIVEN DIRECTION, SAID BUS BAR BEING A V-SHAPED TROUGH AND HAVING THE OPEN SIDE THEREOF DISPOSED TOWARD SAID CONTACT ELEMENT WITH TWO EDGES OF SAID BUS BAR CONFRONTING SAID CONTACT ELEMENT, MEANS MOUNTING SAID BUS BAR FOR ROCKING MOVEMENT SUBSTANTIALLY ABOUT ITS OWN AXIS, SAID MOUNTING MEANS HAVING LIMIT MEANS PROVIDING LIMITS FOR SUCH ROCKING RESPECTIVELY WITH ONE OF SAID EDGES DISPOSED CLOSER THAN THE OTHER TO SAID CONTACT ELEMENT FOR ENGAGEMENT THEREBY AND VICE VERSA, AND MEANS CONNECTED TO SAID BUS BAR FOR EFFECTING SUCH ROCKING, ONE OF SAID EDGES BEING CONDUCTIVE AND THE OTHER BEING NON-CONDUCTIVE.
Claim 2
Dependent Claim
146 words
IN A KEYSWITCH ARRANGEMENT FOR ELECTRONIC MUSICAL INSTRUMENTS, THE COMBINATION COMPRISING INSULATING SUPPORT MEANS, A CONTACT ELEMENT EXTENDING THEREFROM, A KEY INTERCONNECTED WITH SAID CONTACT ELEMENT FOR DEFLECTING SAID ELEMENT IN A GIVEN DIRECTION, A BUS BAR DISPOSED TRANSVERSELY OF SAID CONTACT ELEMENT AND SPACED THEREFROM IN SAID GIVEN DIRECTION, SAID BUS BAR BEING A V-SHAPED TROUGH AND HAVING THE OPEN SIDE THEREOF DISPOSED TOWARD SAID CONTACT ELEMENT WITH TWO EDGES OF SAID BUS BAR CONFRONTING SAID CONTACT ELEMENT, MEANS MOUNTING SAID BUS BAR FOR ROCKING MOVEMENT SUBSTANTIALLY ABOUT ITS OWN AXIS, SAID MOUNTING MEANS HAVING LIMIT MEANS PROVIDING LIMITS FOR SUCH ROCKING RESPECTIVELY WITH ONE OF SAID EDGES DISPOSED CLOSER THAN THE OTHER TO SAID CONTACT ELEMENT FOR ENGAGEMENT THEREBY AND VICE VERSA, AND MEANS CONNECTED TO SAID BUS BAR FOR EFFECTING SUCH ROCKING, ONE OF SAID EDGES BEING CONDUCTIVE AND THE OTHER BEING NON-CONDUCTIVE.
References Cited (Backward Citations)
US2895366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |