Patent US3135835A successfully refreshed from Google Patents.
US3135835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable sound instrument
Assignee: Individual
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Filing: 1958-11-19
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Granted: 1964-06-02
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Expires: 1978-11-19
Abstract
No abstract record available.
Inventors
- 👤 Steidinger Arthur
- 👤 Hagenah Hans-Gerhard
- 👤 Steinle Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:02
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN PORTABLE STEREOPHONIC SOUND REPRODUCERS, THE COMBINATION INCLUDING, A GENERALLY RECTANGULAR CARRYING CASE SUBDIVIDED ALONG A MEDIAL PLANE INTO A SINGLE BOTTOM HOUSING AND AN UPPER HOUSING, SAID UPPER HOUSING BEING SUBDIVIDED ALONG A PLANE NORMAL TO SAID FIRST-MENTIONED PLANE INTO TWO COVERS, RECORD PLAY-BACK MECHANISM AND ELECTRICAL AMPLIFIER MEANS MOUNTED IN SAID BOTTOM HOUSING, SAID RECORD PLAY-BACK MECHANISM INCLUDING TURNTABLE MEANS AND PICK-UP MEANS ACCESSIBLE FOR USE ONLY WHEN SAID COVERS HAVE BEEN REMOVED, TWO SUBSTANTIALLY IDENTICAL ELECTRICAL SPEAKER MEANS CONTAINED ONE IN EACH OF SAID COVERS, ELECTRICAL CABLES TO CONNECT EACH OF SAID SPEAKER MEANS TO SAID AMPLIFIER MEANS, MEANS TO STORE SAID CABLES WITHIN SAID CARRYING CASE, AND FASTENER MEANS SEPARABLY JOINING SAID COVERS TO EACH OTHER AND TO SAID BOTTOM HOUSING, WHEREBY WHEN SAID CARRYING CASE IS CLOSED ALL OF SAID SOUND REPRODUCING COMPONENTS ARE CONTAINED THEREWITHIN.
Claim 2
Dependent Claim
141 words
IN PORTABLE STEREOPHONIC SOUND REPRODUCERS, THE COMBINATION INCLUDING, A GENERALLY RECTANGULAR CARRYING CASE SUBDIVIDED ALONG A MEDIAL PLANE INTO A SINGLE BOTTOM HOUSING AND AN UPPER HOUSING, SAID UPPER HOUSING BEING SUBDIVIDED ALONG A PLANE NORMAL TO SAID FIRST-MENTIONED PLANE INTO TWO COVERS, RECORD PLAY-BACK MECHANISM AND ELECTRICAL AMPLIFIER MEANS MOUNTED IN SAID BOTTOM HOUSING, SAID RECORD PLAY-BACK MECHANISM INCLUDING TURNTABLE MEANS AND PICK-UP MEANS ACCESSIBLE FOR USE ONLY WHEN SAID COVERS HAVE BEEN REMOVED, TWO SUBSTANTIALLY IDENTICAL ELECTRICAL SPEAKER MEANS CONTAINED ONE IN EACH OF SAID COVERS, ELECTRICAL CABLES TO CONNECT EACH OF SAID SPEAKER MEANS TO SAID AMPLIFIER MEANS, MEANS TO STORE SAID CABLES WITHIN SAID CARRYING CASE, AND FASTENER MEANS SEPARABLY JOINING SAID COVERS TO EACH OTHER AND TO SAID BOTTOM HOUSING, WHEREBY WHEN SAID CARRYING CASE IS CLOSED ALL OF SAID SOUND REPRODUCING COMPONENTS ARE CONTAINED THEREWITHIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |