JPS53137708U - - Google Patents
Info
- Publication number
- JPS53137708U JPS53137708U JP4285877U JP4285877U JPS53137708U JP S53137708 U JPS53137708 U JP S53137708U JP 4285877 U JP4285877 U JP 4285877U JP 4285877 U JP4285877 U JP 4285877U JP S53137708 U JPS53137708 U JP S53137708U
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4285877U JPS53137708U (en) | 1977-04-05 | 1977-04-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4285877U JPS53137708U (en) | 1977-04-05 | 1977-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53137708U true JPS53137708U (en) | 1978-10-31 |
Family
ID=28916144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4285877U Pending JPS53137708U (en) | 1977-04-05 | 1977-04-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53137708U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2673898A (en) * | 1951-06-01 | 1954-03-30 | Sonotone Corp | Wearable hearing aid having external microphone with penetrating pin connector structure |
US2789160A (en) * | 1953-10-29 | 1957-04-16 | Sonotone Corp | Wearable hearing aid with a common casing for amplifier and batteries |
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1977
- 1977-04-05 JP JP4285877U patent/JPS53137708U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2673898A (en) * | 1951-06-01 | 1954-03-30 | Sonotone Corp | Wearable hearing aid having external microphone with penetrating pin connector structure |
US2789160A (en) * | 1953-10-29 | 1957-04-16 | Sonotone Corp | Wearable hearing aid with a common casing for amplifier and batteries |