US4006764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protection case for tape-recorder or radio-set
Assignee: Panasonic Holdings Corp
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Filing: 1974-10-08
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Granted: 1977-02-08
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Expires: 1994-10-08
Abstract
Abstract This invention relates to protection cases for such portable sonance instruments as tape recorders, radio receiving sets, etc. These cases are made with waterproof sheet material such as vinyl chloride, so as to cover tightly to protect those instruments from water, spray, dust or the like.
Inventors
- 👤 Kozo Yamamoto
- 👤 Takuro Ibi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:25
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A protection case for an audio instrument and operational controls, having speakers, said case being formed of waterproof sheet material in a shape roughly conforming to the shape of said instrument, said case having a first opening through which said instrument can be inserted and taken out, with plastic engaging portions on opposing surfaces adjacent said first opening to form a zipper for closing said opening in air and water tight relation with said instrument therein, said case further having a region of reduced thickness on the inner surface thereof so as to form an air space between said speaker and said case, said case further having a plurality of flexible bellows adjacent said control for operating said controls by manually flexing said bellows, said case further having transparent and opaque portions with the transparent portions being located so as to permit viewing from outside of the operation of said instrument, and said case having a further opening for inserting a cassette into said case with engaging portions of opposing surfaces adjacent said further opening to form a zipper for closing said further opening in air and water tight relation with said instrument therein.
Claim 2
Dependent Claim
194 words
A protection case for an audio instrument and operational controls, having speakers, said case being formed of waterproof sheet material in a shape roughly conforming to the shape of said instrument, said case having a first opening through which said instrument can be inserted and taken out, with plastic engaging portions on opposing surfaces adjacent said first opening to form a zipper for closing said opening in air and water tight relation with said instrument therein, said case further having a region of reduced thickness on the inner surface thereof so as to form an air space between said speaker and said case, said case further having a plurality of flexible bellows adjacent said control for operating said controls by manually flexing said bellows, said case further having transparent and opaque portions with the transparent portions being located so as to permit viewing from outside of the operation of said instrument, and said case having a further opening for inserting a cassette into said case with engaging portions of opposing surfaces adjacent said further opening to form a zipper for closing said further opening in air and water tight relation with said instrument therein.
References Cited (Backward Citations)
US2467471A
Cited
US3280870A
Cited
CH377714A
Cited
US3459870A
Cited
US3589971A
Cited
US3612233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |