US3197212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record changer
Assignee: Thomas International Corp
•
Filing: 1963-03-04
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Granted: 1965-07-27
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Weese Ralph M De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:18
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A RECORD CHANGER, A MOTORBOARD, A TONE ARM MOVABLY MOUNTED ON SAID MOTORBOARD, A RECORD SPINDLE MECHANISM SUPPORTED BY SAID MOTORBOARD, AND MEANS FOR OPERATING SAID TONE ARM AND SPINDLE MECHANISM THROUGH A RECORD CHANGE CYCLE INCLUDING A MEMBER MOVABLY MOUNTED ON THE MOTORBOARD, AND MEANS FOR MOVING SAID MEMBER IN A CYCLE ALONG A CLOSED CIRCUIT INCLUDING AN OUTWARD PATH AND AN INWARD PATH DIFFERENT FROM SAID OUTWARD PATH.
Claim 2
Dependent Claim
71 words
IN A RECORD CHANGER, A MOTORBOARD, A TONE ARM MOVABLY MOUNTED ON SAID MOTORBOARD, A RECORD SPINDLE MECHANISM SUPPORTED BY SAID MOTORBOARD, AND MEANS FOR OPERATING SAID TONE ARM AND SPINDLE MECHANISM THROUGH A RECORD CHANGE CYCLE INCLUDING A MEMBER MOVABLY MOUNTED ON THE MOTORBOARD, AND MEANS FOR MOVING SAID MEMBER IN A CYCLE ALONG A CLOSED CIRCUIT INCLUDING AN OUTWARD PATH AND AN INWARD PATH DIFFERENT FROM SAID OUTWARD PATH.
References Cited (Backward Citations)
CA641881A
Cited
US2898114A
Cited
US2950921A
Cited
US3033576A
Cited
US2987320A
Cited
US3066941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |