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USRE28092E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cassette tape read out devices
Assignee: —
•
Filing: 1973-11-16
•
Granted: 1974-07-30
•
Expires: 1993-11-16
Abstract
Abstract A CASSETTE TAPE READ OUT DEVICE COMPRISING A CARTRIDGE SUPPORT FRAME WHICH MAY BE ROTATED BY A SLIGHT DOWNWARD MANUAL PRESSURE TO THE REMOVAL POSITION FOR A PREVIOUSLY INSERTED CARTRIDGE, THE DEVICE ALSO COMPRISING A SPRING-BIASED HOOKING SWINGING MEMBER, SERVING TO STOP THE FRAME IN ITS OPERATING POSITIONS.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:07
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/675; G11B15/67581; G11B15/67592
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |