US3304491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical instrument switch device
Assignee: Philips North America LLC
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Filing: 1964-05-25
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Granted: 1967-02-14
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 James S Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:21
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/053; G10H1/055; H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/24; H01H1/26; H01H1/02; H01H1/021; H01H1/029; H01H13/00; H01H13/50; H01H13/506
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A SWITCH ARRANGEMENT COMPRISING AN INPUT TERMINAL, AN OUTPUT CONTACT FORMED OF CONDUCTIVE RESILIENTLY COMPRESSIBLE MATERIAL HAVING A CONDUCTANCE VARYING DIRECTLY AS THE COMPRESSIVE DEFORMATION OF THE OUTPUT CONTACT, A FURTHER CONTACT FORMED OF CONDUCTIVE RESILIENTLY COMPRESSIBLE MATERIAL HAVING A CONDUCTANCE VARYING DIRECTLY AS THE COMPRESSIVE DEFORMATION OF THE FURTHER CONTACT, A FLEXIBLE CONDUCTOR ELECTRICALLY CONNECTED TO SAID TERMINAL AND ENGAGING SAID FURTHER CONTACT, MEANS FOR ACTUATING SAID FLEXIBLE CONDUCTOR TO MOVE IT INTO ENGAGEMENT WITH SAID OUTPUT CONTACT AND OUT OF ENGAGEMENT WITH SAID FURTHER CONTACT.
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |