Patent US3236956A successfully refreshed from Google Patents.
US3236956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable stylus holders for phonograph pickups
Assignee: Sonotone Corp
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Filing: 1965-07-01
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Granted: 1966-02-22
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Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Kantrowitz Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:40
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04; H04R17/08; H04R1/00; H04R1/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
278 words
A REPLACEABLE STYLUS DRIVE STRUCTURE FOR DRIVING MOVABLE TRANSDUCER COUPLING PORTIONS OF MECHANO-ELECTRIC TRANSDUCER MEANS OF A PHONOGRAPH PICKUP STRUCTURE COMPRISING, AN ELONGATED STYLUS DRIVE MEMBER ARRANGED FOR DETACHABLE OPERATIVE MOUNTING ADJACENT SAID TRANSDUCER MEANS AND HAVING A REAR PIVOT END REGION AND AN OPPOSITE FRONT END OF SMALL CROSS-SECTION CIRCUMFERENCE CARRYING AT LEAST ONE LATERALLY EXTENDING STYLUS, A GENERALLY PARALLEL RELATIVELY STIFF ELONGATED SEATING MEMBER HAVING A FRONT SEATING END REGION JOINED TO THE NEARBY ADJACENT REAR PIVOT END REGION OF AND CARRYING SAID DRIVE MEMBER, SAID SEATING MEMBER DEFINING A COUPLING AXIS FOR EFFECTING COUPLING OF SAID STYLUS DRIVE MEMBER WITH SAID TRANSDUCER COUPLING PORTIONS AND HAVING AT LEAST ONE LONGITUDINAL SEATING PORTION ADAPTED TO BE DETACHABLY RETAINED AND ROTATED WITHIN A SEATING RECESS OF THE PICKUP STRUCTURE, AND AN EXTENSIVE JUNCTION ELASTOMER BODY OF SUBSTANTIAL CIRCUMFERENCE HAVING OPPOSITE ELASTOMER END PORTIONS AFFIXED TO SAID NEARBY REAR PIVOT END REGION AND TO SAID NEARBY FRONT SEATING END REGION OF SAID TWO ELONGATED MEMBERS, SAID ELASTOMER BODY HAVING AN INTERMEDIATE FLEXIBLE ELASTOMER PIVOT SECTION PROJECTING BEYOND SAID NEARBY END REGIONS AND HAVING A LENGTH INTERPOSED BETWEEN SAID NEARBY END REGIONS OF SAID TWO ELONGATED MEMBERS FOR ENABLING SAID DRIVE MEMBER TO BE FLEXED WITH SAID ELASTOMER PIVOT SECTION BY AT LEAST 90* FROM ITS OPERATIVE ALIGNMENT WITH SAID COUPLING AXIS, SAID ELASTOMER PIVOT SECTION BEING COMPRESSIBLE AND STRETCHABLE AND HAVING A CROSS-SECTION CIRCUMFERENCE MATERIALLY AND SUFFICIENTLY GREATER THAN SAID DRIVE MEMBER FRONT END AND CONTAINING ENOUGH OF SAID ELASTOMER BODY TO CAUSE THE ELASTIC FORCES OF SAID PIVOT SECTION TO RETURN SAID DRIVE MEMBER FROM AN ANGULARLY FLEXED POSITION TO SAID OPERATIVE ALIGNMENT WITH SAID COUPLING AXIS.
References Cited (Backward Citations)
US2717929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |