US3719364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound recording and reproducing apparatus
Assignee: Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
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Filing: 1969-04-30
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Granted: 1973-03-06
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Expires: 1989-04-30
Abstract
Abstract A TAPE RECORDER WHEREIN ALL OPERATIONS CAN BE INITIATED AND TERMINATED BY A SINGLE ACTUATING MEMBER WHICH IS ROTATABLE IN A STARTING POSITION AND IS MOVABLE SIDEWAYS TO AND FROM STARTING POSITION. ANGULAR MOVEMENTS OF THE ACTUATING MEMBER EFFECT DISPLACEMENTS OF A PLATFORM WHICH CARRIERS THE SOUND HEADS AND THE PRESSING ROLLER FOR THE TAPE. SIDEWISE MOVEMENTS OF THE ACTUATING MEMBER ARE UTILIZED TO EFFECT RAPID FORWARD ADVANCE OR RAPID REWINDING OF TAPE BY WAY OF FRICTION WHEELS WHICH RECEIVE MOTION FROM A FLYWHEEL.
Inventors
- 👤 G Hessland
- 👤 U Graebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:04
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/10; G11B15/18; G11B15/1883
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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |