Patent US3130110A successfully refreshed from Google Patents.
US3130110A
Expired / Lapsed
US
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Computer recording disc assembly
Assignee: REEVES SOUNDERAFT CORP
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Filing: 1961-02-15
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Granted: 1964-04-21
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Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:05
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/74; G11B5/82; G11B5/62; G11B5/73; G11B5/739; G11B5/73923; G11B5/73927; G11B5/825; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23914
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A MAGNETIC RECORDING DISC COMPRISING A RIGID DISC HAVING AN ANNULAR RECESS IN AT LEAST ONE SURFACE THEREOF, AN ANNULAR RING HAVING A PRESSURE SENSITIVE ADHESIVE ON BOTH SIDES THEREOF, SAID ANNULAR RING HAVING THE SAME INNER AND OUTER DIAMETERS AS SAID RECESS, SAID RING BEING INSERTED WITHIN SAID RECESS AND BONDED TO SAID DISC, AN ANNULAR RESILIENT PAD, SAID PAD HAVING A SMALLER OUTER DIAMETER AND A LARGER INNER DIAMETER TO EXPOSE A STRIP OF SAID RING AT THE INNER AND OUTER EDGES OF SAID PAD, AN ANNULAR FILM HAVING A MAGNETIC RECORDING SURFACE, SAID FILM BEING LAID OVER SAID PAD AND BONDED TO SAID RING ALONG SAID EXPOSED STRIPS.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |