JPS4939531U - - Google Patents

Info

Publication number: JPS4939531U
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.): Granted

Application number

JP8135972U

Other languages

Other versions

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.)

1972-07-10

Filing date

1972-07-10

Publication date

1974-04-08

1972-07-10 Application filed filed Critical

1972-07-10 Priority to JP8135972U priority Critical patent/JPS5117938Y2/ja

1973-02-22 Priority to US334731A priority patent/US3883253A/en

1973-03-02 Priority to DE2310573A priority patent/DE2310573C3/de

1974-04-08 Publication of JPS4939531U publication Critical patent/JPS4939531U/ja

1974-11-18 Priority to US524673A priority patent/US3892495A/en

1976-05-13 Application granted granted Critical

1976-05-13 Publication of JPS5117938Y2 publication Critical patent/JPS5117938Y2/ja

Status Expired legal-status Critical Current

Landscapes

Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

JP8135972U 1972-03-03 1972-07-10 Expired JPS5117938Y2 (zh)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP8135972U JPS5117938Y2 (zh)	1972-07-10	1972-07-10
US334731A US3883253A (en)	1972-03-03	1973-02-22	Mechanical pencil
DE2310573A DE2310573C3 (de)	1972-03-03	1973-03-02	Druckbleistift
US524673A US3892495A (en)	1972-03-03	1974-11-18	Push type mechanical pencil

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP8135972U JPS5117938Y2 (zh)	1972-07-10	1972-07-10

Publications (2)

Publication Number	Publication Date
JPS4939531U true JPS4939531U (zh)	1974-04-08
JPS5117938Y2 JPS5117938Y2 (zh)	1976-05-13

Family

ID=27987902

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP8135972U Expired JPS5117938Y2 (zh)	1972-03-03	1972-07-10

Country Status (1)

Country	Link
JP (1)	JPS5117938Y2 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5291222U (zh) *	1975-12-27	1977-07-07
JPS56163561U (zh) *	1980-05-09	1981-12-04

1972
- 1972-07-10 JP JP8135972U patent/JPS5117938Y2/ja not_active Expired

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date
JPS5291222U (zh) *	1975-12-27	1977-07-07
JPS5618460Y2 (zh) *	1975-12-27	1981-04-30
JPS56163561U (zh) *	1980-05-09	1981-12-04
JPS6325176Y2 (zh) *	1980-05-09	1988-07-08

Also Published As

Publication number	Publication date
JPS5117938Y2 (zh)	1976-05-13

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