Patent EP0566848A2 successfully refreshed from Google Patents.
Patent US3235265A successfully refreshed from Google Patents.
US3235265A
Expired / Lapsed
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Magnetic recorder-reproducer apparatus
Assignee: V M Corp
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Filing: 1962-05-11
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Granted: 1966-02-15
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Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 James L D Morrison
- 👤 Michael H Estkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:18
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/004; G11B15/00; G11B15/18; G11B15/26; G11B15/34; G11B5/008; G11B5/00804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A MAGNETIC RECORDING AND REPRODUCING DEVICE ADAPTED TO HANDLE A RECORD IN THE FORM OF A SHEET OF MAGNETIC MATERIAL COMPRISING A GUIDE INCLUDING SPACED INNER AND OUTER WALLS FOR RECEIVING SAID SHEET AND FORMING A CONVOLUTE PATH OF TRAVEL FOR SAID SHEET, A SPROCKET ROTATABLY MOUNTED ADJACENT SAID PATH OF TRAVEL FOR DRIVING SAID SHEET THROUGH REPEATED CYCLES OF TRAVEL AROUND SAID PATH, FEED ROLLER MEANS DISPOSED ADJACENT SAID SPROCKET FOR FEEDING THE LEADING EDGE OF SAID SHEET INTO ENGAGE-
Claim 2
Dependent Claim
81 words
A MAGNETIC RECORDING AND REPRODUCING DEVICE ADAPTED TO HANDLE A RECORD IN THE FORM OF A SHEET OF MAGNETIC MATERIAL COMPRISING A GUIDE INCLUDING SPACED INNER AND OUTER WALLS FOR RECEIVING SAID SHEET AND FORMING A CONVOLUTE PATH OF TRAVEL FOR SAID SHEET, A SPROCKET ROTATABLY MOUNTED ADJACENT SAID PATH OF TRAVEL FOR DRIVING SAID SHEET THROUGH REPEATED CYCLES OF TRAVEL AROUND SAID PATH, FEED ROLLER MEANS DISPOSED ADJACENT SAID SPROCKET FOR FEEDING THE LEADING EDGE OF SAID SHEET INTO ENGAGE-
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |