TW421412U - Ear canal type earphone structure - Google Patents
Ear canal type earphone structureInfo
- Publication number
- TW421412U TW421412U TW88207239U TW88207239U TW421412U TW 421412 U TW421412 U TW 421412U TW 88207239 U TW88207239 U TW 88207239U TW 88207239 U TW88207239 U TW 88207239U TW 421412 U TW421412 U TW 421412U
- Authority
- TW
- Taiwan
- Prior art keywords
- ear canal
- type earphone
- earphone structure
- canal type
- ear
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88207239U TW421412U (en) | 1999-05-07 | 1999-05-07 | Ear canal type earphone structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88207239U TW421412U (en) | 1999-05-07 | 1999-05-07 | Ear canal type earphone structure |
Publications (1)
Publication Number | Publication Date |
---|---|
TW421412U true TW421412U (en) | 2001-02-01 |
Family
ID=21647799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW88207239U TW421412U (en) | 1999-05-07 | 1999-05-07 | Ear canal type earphone structure |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW421412U (en) |
-
1999
- 1999-05-07 TW TW88207239U patent/TW421412U/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4K | Issue of patent certificate for granted utility model filed before june 30, 2004 | ||
MM4K | Annulment or lapse of a utility model due to non-payment of fees |