US3266807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle cleaning brush for record changers
Assignee: V M Corp
•
Filing: 1962-08-03
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Granted: 1966-08-16
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Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 Robert L Van Antwerp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:07
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/58; G11B3/5809; G11B3/5881
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
IN A RECORD CHANGER HAVING A BASEPLATE, A TURNTABLE SURMOUNTING THE BASEPLATE, MEANS OPERABLE DURING A RECORD CHANGE CYCLE FOR DROPPING A RECORD TO THE TURNTABLE, A TONE ARM HAVING A CARTRIDGE-NEEDLE ASSEMBLY MOUNTED THEREON FOR TRAVERSING A RECORD ON THE TURNTABLE TO REPRODUCE THE SAME, AND SLIDE MEANS MOUNTED BENEATH THE BASEPLATE WHICH RECIPROCATES ONCE DURING EACH CHANGE CYCLE TO EFFECT LATERAL MOVEMENT OF THE TONE ARM, THE IMPROVEMENT COMPRISING A NEEDLE CLEANING BRUSH MOVABLE BETWEEN A LOWERED INOPERATIVE POSITION AND A RAISED OPERATIVE POSITION WHEREIN IT PROJECTS SUBSTANTIALLY ABOVE
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |