CH145472A - Unlösbarer Knopfverschluss für Briefumschläge und dergleichen. - Google Patents

Unlösbarer Knopfverschluss für Briefumschläge und dergleichen.

Info

Publication number: CH145472A
Authority: CH; Switzerland
Prior art keywords: envelopes; button closure; permanent button; permanent; closure
Prior art date: 1928-04-10

Application number

Other languages

English (en)

Inventor

Ruef August

Original Assignee

Ruef August

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.)

1928-04-10

Filing date

1929-03-30

Publication date

1931-02-28

1929-03-30 Application filed by Ruef August filed Critical Ruef August

1931-02-28 Publication of CH145472A publication Critical patent/CH145472A/de

Links

CH145472D 1928-04-10 1929-03-30 Unlösbarer Knopfverschluss für Briefumschläge und dergleichen. CH145472A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE145472X		1928-04-10

Publications (1)

Publication Number	Publication Date
CH145472A true CH145472A (de)	1931-02-28

Family

ID=5670773

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH145472D CH145472A (de)	1928-04-10	1929-03-30	Unlösbarer Knopfverschluss für Briefumschläge und dergleichen.

Country Status (1)

Country	Link
CH (1)	CH145472A (de)

1929
- 1929-03-30 CH CH145472D patent/CH145472A/de unknown

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