US3243134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless tape cartridge
Assignee: Television Research Ltd
•
Filing: 1963-05-20
•
Granted: 1966-03-29
•
Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon H Reed
- 👤 John G Vickers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:33
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/06; G11B25/00; G11B25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A TAPE RECORD UNIT COMPRISING, IN COMBINATION: (A) A HOUSING FORMED WITH A CAVITY THEREIN AND HAVING TWO OPPOSITE WALLS IN SAID CAVITY, ONE OF SAID WALLS BEING FORMED WITH A HOLE THEREIN; (B) MEANS FOR ROTATABLY SUPPORTING A ROLL OF TAPE IN SAID CAVITY; AND (C) GUIDE MEANS FOR GUIDING TAPE FROM SAID ROLL IN A LOOP, THE GUIDE MEANS INCLUDING (1) A PLATE MEMBER INCLUDING A PORTION REMOVABLY DISPOSED IN SAID HOLE; (2) A ROLLER MEMBER MOUNTED ON SAID PLATE MEMBER FOR ROTATION ABOUT AN AXIS, (3) YIELDABLY RESILIENT MEANS URGING SAID ROLLER MEMBER TO MOVE ON SAID PLATE MEMBER IN A DIRECTION TRANSVERSE TO SAID AXIS, SAID HOUSING BEING FORMED WITH AN OPENING FOR ACCESS TO A TAPE PORTION GUIDED OVER SAID ROLLER MEMBER, AND (4) PROJECTION MEANS ON SAID PLATE MEMBER EXTENDING THEREFROM TOWARD THE OTHER ONE OF SAID WALLS FOR CONTACT WITH THE SAME TO PREVENT MOVEMENT OF SAID PLATE MEMBER OUTWARD OF SAID HOLE.
Claim 2
Dependent Claim
160 words
A TAPE RECORD UNIT COMPRISING, IN COMBINATION: (A) A HOUSING FORMED WITH A CAVITY THEREIN AND HAVING TWO OPPOSITE WALLS IN SAID CAVITY, ONE OF SAID WALLS BEING FORMED WITH A HOLE THEREIN; (B) MEANS FOR ROTATABLY SUPPORTING A ROLL OF TAPE IN SAID CAVITY; AND (C) GUIDE MEANS FOR GUIDING TAPE FROM SAID ROLL IN A LOOP, THE GUIDE MEANS INCLUDING (1) A PLATE MEMBER INCLUDING A PORTION REMOVABLY DISPOSED IN SAID HOLE; (2) A ROLLER MEMBER MOUNTED ON SAID PLATE MEMBER FOR ROTATION ABOUT AN AXIS, (3) YIELDABLY RESILIENT MEANS URGING SAID ROLLER MEMBER TO MOVE ON SAID PLATE MEMBER IN A DIRECTION TRANSVERSE TO SAID AXIS, SAID HOUSING BEING FORMED WITH AN OPENING FOR ACCESS TO A TAPE PORTION GUIDED OVER SAID ROLLER MEMBER, AND (4) PROJECTION MEANS ON SAID PLATE MEMBER EXTENDING THEREFROM TOWARD THE OTHER ONE OF SAID WALLS FOR CONTACT WITH THE SAME TO PREVENT MOVEMENT OF SAID PLATE MEMBER OUTWARD OF SAID HOLE.
References Cited (Backward Citations)
US2418545A
Cited
FR1094401A
Cited
US2804508A
Cited
GB810674A
Cited
US2988954A
Cited
US3017803A
Cited
US3021989A
Cited
US3029992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |