Patent US3284382A successfully refreshed from Google Patents.
Patent US3377437A successfully refreshed from Google Patents.
US3377437A
Expired / Lapsed
US
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Miniature magnetic tape recorder with removable tape cartridge
Assignee: GATAG Ltd Firma
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Filing: 1962-10-10
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Granted: 1968-04-09
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Expires: 1982-10-10
Abstract
No abstract record available.
Inventors
- 👤 Probst Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:15
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/288; H02P7/2885; G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/32; G11B15/675; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B33/00; G11B33/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN A PORTABLE MINIATURIZED MAGNETIC TAPE RECORDING AND PLAYBACK APPARATUS, IN COMBINATION: (A) A CASING; (B) A DETACHABLE TAPE CARTRIDGE OF FLAT, ELONGATED SHAPE FORMED WITH A RECESS THEREIN EXTENDING INWARD OF A LONGITUDINAL EDGE PORTION OF SAID CARTRIDGE, (1) THE CARTRIDGE BEING FORMED WITH TWO SPOOL CHAMBERS AT OPPOSITE SIDES OF SAID RECESS AND HAVING TWO FLAT TOP WALLS ABOVE SAID CHAMBERS RESPECTIVELY, (2) A PORTION OF SAID CASING BEING SHAPED FOR CONFORMING ENGAGEMENT WITH SAID RECESS, (3) SAID CASING PORTION HAVING A FLAT TOP WALL COVERING SAID RECESS WHEN THE CASING PORTION IS RECEIVED IN THE SAME, (4) THE WIDTH AND LENGTH OF SAID CARTRIDGE BEING SUBSTANTIALLY EQUAL TO THE OVERALL WIDTH AND LENGTH OF SAID CASING THEREBY AFFORDING MAXIMUM TAPE STORAGE SPACE; (C) TWO SPOOLS RESPECTIVELY ARRANGED IN SAID CHAMBERS FOR ROTATION ABOUT PARALLEL AXES; (D) FRICTION DRIVE MEANS MOUNTED IN SAID PORTION OF THE CASING FOR ENGAGEMENTS WITH SAID SPOOLS WHEN THE PORTION OF THE CASING IS RECEIVED IN SAID RECESS, SAID FRICTION DRIVE MEANS INCLUDING A CONTROL LEVER PROJECTING FROM SAID PORTION OF THE CASING IN A DIRECTION OUT-
Claim 2
Dependent Claim
184 words
IN A PORTABLE MINIATURIZED MAGNETIC TAPE RECORDING AND PLAYBACK APPARATUS, IN COMBINATION: (A) A CASING; (B) A DETACHABLE TAPE CARTRIDGE OF FLAT, ELONGATED SHAPE FORMED WITH A RECESS THEREIN EXTENDING INWARD OF A LONGITUDINAL EDGE PORTION OF SAID CARTRIDGE, (1) THE CARTRIDGE BEING FORMED WITH TWO SPOOL CHAMBERS AT OPPOSITE SIDES OF SAID RECESS AND HAVING TWO FLAT TOP WALLS ABOVE SAID CHAMBERS RESPECTIVELY, (2) A PORTION OF SAID CASING BEING SHAPED FOR CONFORMING ENGAGEMENT WITH SAID RECESS, (3) SAID CASING PORTION HAVING A FLAT TOP WALL COVERING SAID RECESS WHEN THE CASING PORTION IS RECEIVED IN THE SAME, (4) THE WIDTH AND LENGTH OF SAID CARTRIDGE BEING SUBSTANTIALLY EQUAL TO THE OVERALL WIDTH AND LENGTH OF SAID CASING THEREBY AFFORDING MAXIMUM TAPE STORAGE SPACE; (C) TWO SPOOLS RESPECTIVELY ARRANGED IN SAID CHAMBERS FOR ROTATION ABOUT PARALLEL AXES; (D) FRICTION DRIVE MEANS MOUNTED IN SAID PORTION OF THE CASING FOR ENGAGEMENTS WITH SAID SPOOLS WHEN THE PORTION OF THE CASING IS RECEIVED IN SAID RECESS, SAID FRICTION DRIVE MEANS INCLUDING A CONTROL LEVER PROJECTING FROM SAID PORTION OF THE CASING IN A DIRECTION OUT-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |