US3244423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable tone arm support post for compact record changer
Assignee: V M Corp
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Filing: 1963-10-30
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Granted: 1966-04-05
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Freathy
- 👤 Robert J Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:51
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08; G11B3/10; G11B3/12; G11B3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A RECORD CHANGER OF THE TYPE HAVING A BASEPLATE, A TURNABLE, AND A TONE ARM PIVOTABLE ABOUT A VERTICAL AXIS FOR REPRODUCING RECORDS ON THE TURNTABLE, THE IMPROVEMENT COMPRISING, IN COMBINATION, A STATIONARY REST POST EXTENDING UPWARDLY FROM THE BASEPLATE AT A LOCATION RADIALLY OUTWARDLY OF THE PERIPHERY OF A RECORD ON THE TURNTABLE FOR SUPPORTING THE TONE ARM IN A NORMAL AT REST POSTION, AND A RETRACTABLE SUPPORT POST DISPOSED RADIALLY INWARDLY OF SAID REST POST FOR SUPPORTING THE TONE ARM IN A STORAGE POSITION, SAID SUPPORT POST BEING MOVABLE BETWEEN AN UPRIGHT OPERATIVE POSITION WHEREIN IT IS ADAPTED TO SUPPORT SAID TONE ARM AND A RETRACTED INOPERATIVE POSITION WHEREIN IT IS DISPOSED BENEATH THE LEVEL OF A RECORD ON THE TURNABLE.
Claim 2
Dependent Claim
124 words
IN A RECORD CHANGER OF THE TYPE HAVING A BASEPLATE, A TURNABLE, AND A TONE ARM PIVOTABLE ABOUT A VERTICAL AXIS FOR REPRODUCING RECORDS ON THE TURNTABLE, THE IMPROVEMENT COMPRISING, IN COMBINATION, A STATIONARY REST POST EXTENDING UPWARDLY FROM THE BASEPLATE AT A LOCATION RADIALLY OUTWARDLY OF THE PERIPHERY OF A RECORD ON THE TURNTABLE FOR SUPPORTING THE TONE ARM IN A NORMAL AT REST POSTION, AND A RETRACTABLE SUPPORT POST DISPOSED RADIALLY INWARDLY OF SAID REST POST FOR SUPPORTING THE TONE ARM IN A STORAGE POSITION, SAID SUPPORT POST BEING MOVABLE BETWEEN AN UPRIGHT OPERATIVE POSITION WHEREIN IT IS ADAPTED TO SUPPORT SAID TONE ARM AND A RETRACTED INOPERATIVE POSITION WHEREIN IT IS DISPOSED BENEATH THE LEVEL OF A RECORD ON THE TURNABLE.
References Cited (Backward Citations)
US2955825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |