US3219764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stylus assembly for a phonograph pickup cartridge
Assignee: General Electric Co
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Filing: 1960-03-31
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Granted: 1965-11-23
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Expires: 1980-03-31
Abstract
No abstract record available.
Inventors
- 👤 Peter E Pritchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:01
CPC Classifications
H; H04; H04R; H04R11/00; H04R11/08; H04R11/12; H04R1/00; H04R1/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
133 words
A STYLUS ASSEMBLY COMPRISING TWO BLOCKS OF RESILIENT MATERIAL, MEANS FOR POSITIONING SAID BLOCKS IN SPACED APART RELATIONSHIP ALONG AN AXIS, AN ELONGATED ARMATURE POSITIONED TO EXTEND THROUGH SAID BLOCKS WITH THE FORWARD END OF THE ARMATURE EXTENDING FRONTWARDLY FROM THE FRONTMOST BLOCK, SAID FRONTMOST BLOCK BEING MADE FROM A MATERIAL THAT IS RELATIVELY MORE VISCOUS THAN THE MATERIAL OF THE REARMOST BLOCK, AND SAID REARMOST BLOCK BEING MADE FROM A MATERIAL THAT IS RELATIVELY MORE SPRINGLIKE THAN THE MATERIAL OF SAID FRONTMOST BLOCK, AND A STYLUS ATTACHED TO AND EXTENDING LATERALLY FROM SAID ARMATURE AT SAID FORWARD END THEREOF, SAID FRONTMOST BLOCK BEING PROVIDED WITH A SHOULDER EXTENDING FRONTWARDLY THEREOF AND BEING IN CONTACT WITH AND SURROUNDING SAID ARMATURE, SAID SHOULDER BEING SPACED FROM AND FREE OF CONTACT WITH SAID POSITIONING MEANS.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |