CH273100A - Reinigungsgerät, insbesondere für Schultafeln. - Google Patents

Reinigungsgerät, insbesondere für Schultafeln.

Info

Publication number: CH273100A
Authority: CH; Switzerland
Prior art keywords: cleaning apparatus; blackboards; school; school blackboards; cleaning
Prior art date: 1948-07-10

Application number

Other languages

German (de)

English (en)

Inventor

Weger Karl

Original Assignee

Weger Karl

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.)

1948-07-10

Filing date

1949-05-19

Publication date

1951-01-31

1949-05-19 Application filed by Weger Karl filed Critical Weger Karl

1951-01-31 Publication of CH273100A publication Critical patent/CH273100A/de

Classifications

- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L1/00—Cleaning windows
- A47L1/06—Hand implements
- A47L1/15—Cloths, sponges, pads, or the like, e.g. containing cleaning agents
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices

CH273100D 1948-07-10 1949-05-19 Reinigungsgerät, insbesondere für Schultafeln. CH273100A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT273100X		1948-07-10

Publications (1)

Publication Number	Publication Date
CH273100A true CH273100A (de)	1951-01-31

Family

ID=3670565

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH273100D CH273100A (de)	1948-07-10	1949-05-19	Reinigungsgerät, insbesondere für Schultafeln.

Country Status (5)

Country	Link
BE (1)	BE490083A (fr)
CH (1)	CH273100A (fr)
DE (1)	DE864068C (fr)
FR (1)	FR990062A (fr)
NL (1)	NL72552C (fr)

0
- BE BE490083D patent/BE490083A/xx unknown
- NL NL72552D patent/NL72552C/xx active
1949
- 1949-05-19 CH CH273100D patent/CH273100A/de unknown
- 1949-07-04 FR FR990062D patent/FR990062A/fr not_active Expired
- 1949-10-16 DE DEW85A patent/DE864068C/de not_active Expired

Also Published As

Publication number	Publication date
BE490083A (fr)
NL72552C (fr)
FR990062A (fr)	1951-09-17
DE864068C (de)	1953-01-22

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