TW424886U - Light-focusing type calculator - Google Patents
Light-focusing type calculatorInfo
- Publication number
- TW424886U TW424886U TW87204834A03U TW424886U TW 424886 U TW424886 U TW 424886U TW 87204834A03 U TW87204834A03 U TW 87204834A03U TW 424886 U TW424886 U TW 424886U
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- focusing type
- type calculator
- calculator
- focusing
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW87204834U TW394394U (en) | 1998-04-01 | 1998-04-01 | Light converging calculator |
Publications (1)
Publication Number | Publication Date |
---|---|
TW424886U true TW424886U (en) | 2001-03-01 |
Family
ID=21633313
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW87204834U TW394394U (en) | 1998-04-01 | 1998-04-01 | Light converging calculator |
TW87204834A01 TW424885U (en) | 1998-04-01 | 1998-04-24 | Light-focusing type calculator |
TW87204834A02 TW487185U (en) | 1998-04-01 | 1998-11-06 | Light-condensing type calculator |
TW87204834A03 TW424886U (en) | 1998-04-01 | 1999-02-03 | Light-focusing type calculator |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW87204834U TW394394U (en) | 1998-04-01 | 1998-04-01 | Light converging calculator |
TW87204834A01 TW424885U (en) | 1998-04-01 | 1998-04-24 | Light-focusing type calculator |
TW87204834A02 TW487185U (en) | 1998-04-01 | 1998-11-06 | Light-condensing type calculator |
Country Status (1)
Country | Link |
---|---|
TW (4) | TW394394U (en) |
-
1998
- 1998-04-01 TW TW87204834U patent/TW394394U/en not_active IP Right Cessation
- 1998-04-24 TW TW87204834A01 patent/TW424885U/en not_active IP Right Cessation
- 1998-11-06 TW TW87204834A02 patent/TW487185U/en not_active IP Right Cessation
-
1999
- 1999-02-03 TW TW87204834A03 patent/TW424886U/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW487185U (en) | 2002-05-11 |
TW394394U (en) | 2000-06-11 |
TW424885U (en) | 2001-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4K | Annulment or lapse of a utility model due to non-payment of fees |