Patent US3241838A successfully refreshed from Google Patents.
US3241838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record changer spindle and adapter mechanism
Assignee: Individual
•
Filing: 1963-03-26
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Granted: 1966-03-22
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Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 James L D Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:24
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A RECORD CHANGER HAVING A SELF-SUPPORTING SPINDLE OF THE TYPE HAVING RECORD FEEDING COMPONENTS INCLUDING RECORD SUPPORTING MEANS WHICH IS NORMALLY EXTENDED OUTWARDLY OF THE SPINDLE TO SUPPORT A STACK OF RECORDS AND WHICH IS RETRACTABLE WITHIN THE SPINDLE TO DROP THE LOWERMOST RECORD TO A TURNTABLE AND INCLUDING CLUTCH MEANS WHICH NORMALLY RETRACTED IN THE SPINDLE AND WHICH IS EXPANDABLE FOR SUPPORTING ALL BUT THE LOWERMOST RECORD, THE IMPROVEMENT COMPRISING, IN COMBINATION, A SPINDLE, AN OPENING IN SAID SPINDLE EXTENDING THROUGH THE UPPER END THEREOF, AN ACTUATOR MEMBER SLIDABLE UPWARDLY AND DOWNWARDLY IN SAID SPINDLE FOR OPERATING AT LEAST CERTAIN ONES OF SAID SPINDLE RECORD FEEDING COMPONENTS, SAID ACTUATOR MEMBER BEING ADAPTED TO PROJECT THROUGH SAID
Claim 2
Dependent Claim
118 words
IN A RECORD CHANGER HAVING A SELF-SUPPORTING SPINDLE OF THE TYPE HAVING RECORD FEEDING COMPONENTS INCLUDING RECORD SUPPORTING MEANS WHICH IS NORMALLY EXTENDED OUTWARDLY OF THE SPINDLE TO SUPPORT A STACK OF RECORDS AND WHICH IS RETRACTABLE WITHIN THE SPINDLE TO DROP THE LOWERMOST RECORD TO A TURNTABLE AND INCLUDING CLUTCH MEANS WHICH NORMALLY RETRACTED IN THE SPINDLE AND WHICH IS EXPANDABLE FOR SUPPORTING ALL BUT THE LOWERMOST RECORD, THE IMPROVEMENT COMPRISING, IN COMBINATION, A SPINDLE, AN OPENING IN SAID SPINDLE EXTENDING THROUGH THE UPPER END THEREOF, AN ACTUATOR MEMBER SLIDABLE UPWARDLY AND DOWNWARDLY IN SAID SPINDLE FOR OPERATING AT LEAST CERTAIN ONES OF SAID SPINDLE RECORD FEEDING COMPONENTS, SAID ACTUATOR MEMBER BEING ADAPTED TO PROJECT THROUGH SAID
References Cited (Backward Citations)
US2604325A
Cited
FR1120016A
Cited
US3083022A
Cited
US2893739A
Cited
US3092391A
Cited
US3020050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |