Patent US3295853A successfully refreshed from Google Patents.
US3295853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipurpose tape recorder and playback system
Assignee: Individual
•
Filing: 1964-02-17
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Granted: 1967-01-03
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Cheng Teh Yuan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:10
CPC Classifications
G; G11; G11B; G11B31/00; G11B27/00; G11B27/002; G11B27/02; G11B27/022; G11B27/024; G11B27/10; G11B2220/00; G11B2220/40; G11B2220/41; G11B2220/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A TAPE RECORDING, PLAYBACK AND EDITING MACHINE COMPRISING A PAIR OF SOUND REPRODUCING AND RECORDING ASSEMBLIES, INDEPENDENT DRIVE MEANS CONNECTED TO SAID ASSEMBLIES FOR OPERATING SAID ASSEMBLIES, EACH OF SAID ASSEMBLIES INCLUDING A SUPPLY REEL, A TAKE-UP REEL AND MAGNETIC HEADS, AN AUDIO AMPLIFICATION CIRCUIT MEANS, SWITCHING MEANS SELECTIVELY OPERATIVELY CONNECTING THE MAGNETIC OF SAID ASSEMBLIES TO SAID AUDIO AMPLIFICATION CIRCUIT MEANS SO THAT SAID ASSEMBLIES CAN BE SELECTIVELY OPERATED SIMULTANEOUSLY AND INDEPENDENTLY OF EACH OTHER, SAID SUPPLY REELS BEING COAXIAL, SAID TAKE-UP REELS BEING COAXIAL, SAID SUPPLY REELS AND SAID TAKE-UP REELS BEING
Claim 2
Dependent Claim
94 words
A TAPE RECORDING, PLAYBACK AND EDITING MACHINE COMPRISING A PAIR OF SOUND REPRODUCING AND RECORDING ASSEMBLIES, INDEPENDENT DRIVE MEANS CONNECTED TO SAID ASSEMBLIES FOR OPERATING SAID ASSEMBLIES, EACH OF SAID ASSEMBLIES INCLUDING A SUPPLY REEL, A TAKE-UP REEL AND MAGNETIC HEADS, AN AUDIO AMPLIFICATION CIRCUIT MEANS, SWITCHING MEANS SELECTIVELY OPERATIVELY CONNECTING THE MAGNETIC OF SAID ASSEMBLIES TO SAID AUDIO AMPLIFICATION CIRCUIT MEANS SO THAT SAID ASSEMBLIES CAN BE SELECTIVELY OPERATED SIMULTANEOUSLY AND INDEPENDENTLY OF EACH OTHER, SAID SUPPLY REELS BEING COAXIAL, SAID TAKE-UP REELS BEING COAXIAL, SAID SUPPLY REELS AND SAID TAKE-UP REELS BEING
References Cited (Backward Citations)
DE1041269B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |