TW424886U - Light-focusing type calculator - Google Patents

Light-focusing type calculator

Info

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
Application number
Other languages
Chinese (zh)
Inventor
Ching-Shuen Wang
Jeng-Liang Shie
Ming-Shiang Ju
Yu-Shiang Liou
Mi-Rung Wang
Original Assignee
Wang Ching Shuen
Shie Jeng Liang
Ju Ming Shiang
Liou Yu Shiang
Wang Mi Rung &
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wang Ching Shuen, Shie Jeng Liang, Ju Ming Shiang, Liou Yu Shiang, Wang Mi Rung & filed Critical Wang Ching Shuen
Publication of TW424886U publication Critical patent/TW424886U/en

Links

TW87204834A03 1998-04-01 1999-02-03 Light-focusing type calculator TW424886U (en)

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)

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