US3609844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic means for erecting a cassette box
Assignee: Sony Group Corp
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Filing: 1969-04-03
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Granted: 1971-10-05
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Expires: 1989-04-03
Abstract
Abstract AN IMPROVED MEANS FOR AUTOMATICALLY ERECTING A CASSETTE BOX FOR RECEIVING A MAGNETIC TAPE CASSETTE OF A MAGAZINE TYPE MAGNETIC RECORDING AND PLAYING APPARATUS OR A FILM CASSETTE OF A PHOTOGRAPHIC CAMERA, IN WHICH MEANS THERE IS PROVIDED A MECHANISM FOR AUTOMATICALLY ERECTING THE CASSETTE BOX WHEN THE CARRIER SUCH AS TAPE IN SUBSTANTIALLY COMPLETELY RECORDED OR PLAYED.
Inventors
- 👤 Yoshikazu Ichikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:57
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/10; G11B15/675; G11B15/67581; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53313; Y10T29/53322
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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |