US3404848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic recording tape cartridge
Assignee: JOHN O FUNDINGSLAND
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Filing: 1964-11-20
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Granted: 1968-10-08
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Expires: 1984-11-20
Abstract
No abstract record available.
Inventors
- 👤 John O Fundingsland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:21
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
A RECORD MEDIUM STORAGE CARTRIDGE COMPRISING: A HOUSING INCLUDING SPACED PARALLEL WALLS; A PLATFORM SPACED FROM AND PARALLEL TO ONE OF SAID HOUSING WALLS AND ATTACHED THERETO; TWO RECORDING MEDIUM STORAGE REELS DISPOSED WITHIN THE HOUSING; MEANS MOUNTED ON THE PLATFORM TO SUPPORT SAID REELS FOR INDEPENDENT ROTATION ABOUT SPACED PARALLEL AXES; MEANS OPERABLY COUPLING SAID REELS TOGETHER, SAID MEANS INCLUDING, A SHAFT, TWO WHEELS AFFIXED TO SAID SHAFT AT A SEPARATION DIFFERENT FROM THE SEPARATION OF THE AXES; SPRING MEANS MOUNTED ON SAID PLATFORM AND COMPRISING A SLENDER ELONGATED FINGER SUPPORTING SAID SHAFT FOR ENGAGEMENT BETWEEN EACH OF SAID WHEELS AND ONE OF SAID REELS, FOR LONGITUDINAL TRANSLATION OF SAID SHAFT, AND FOR PIVOTAL MOVEMENT OF SAID SHAFT ABOUT AN AXIS TRANSVERSE TO SAID SHAFT; AND RESILIENT MEANS BIASING SAID SHAFT TO POSITIONS IN WHICH THE SHAFT IS SKEW TO THE AXES OF THE REELS, SAID RESILIENT MEANS AND SAID SPRING MEANS BEING A UNITARY STRUCTURE.
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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |