US3102171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monophonic-stereophonic phonograph cartridge
Assignee: RCA Corp
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Filing: 1958-10-31
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Granted: 1963-08-27
•
Expires: 1978-10-31
Abstract
No abstract record available.
Inventors
- 👤 David E Laux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:03
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/16; H04R17/00; H04R17/04; H04R17/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
155 words
IN A PHONOGRAPH PICKUP, MEANS PROVIDING A PAIR OF LAR CROSS-SECTION, MEANS FOR SUPPORTING EACH OF SAID TRANSDUCING ELEMENTS TO PERMIT SLIPPAGE BETWEEN THE SUPPORTING MEANS AND THE TRANSDUCING ELEMENTS IN THE DIRECTION OF THE GREATER OF THE CROSS-SECTIONAL DIMENSIONS ON A CROSS SECTION TAKEN PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID TRANSDUCING ELEMENTS, SAID TRANSDUCING ELEMENTS BEING SUPPORTED SO THAT THE LONGITUDINAL AXES THEREOF ARE PARALLEL AND THE MAJOR SURFACES THEREOF LIE IN VERTICAL PLANES WHEN THE PICKUP IS IN THE RECORD PLAYING POSITION, A FIRST YOKE MEMBER HAVING A PAIR OF DIVERGENT LEGS THE ENDS OF WHICH ARE CONNECTED TO RESPECTIVE ONES OF SAID TRANSDUCING ELEMENTS TO TRANSMIT VIBRATIONS THERETO, SAID FIRST YOKE MEMBER ADAPTED TO FLEX TO INCREASE AND DECREASE THE ANGLE OF DIVERGENCE BETWEEN SAID LEGS, A FIRST STYLUS FOR PLAYING A FIRST TYPE OF PHONOGRAPH RECORDS COUPLED TO SAID FIRST YOKE MEMBER, A SECOND YOKE MEMBER HAVING A PAIR OF
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |