DK20488C - Lightproof Torque Shutter for Projectors. - Google Patents

Lightproof Torque Shutter for Projectors.

Info

Publication number: DK20488C
Authority: DK; Denmark
Prior art keywords: lightproof; projectors; shutter; torque; torque shutter
Prior art date: 1913-10-08

Application number

Other languages

Original Assignee

Siemens Schuckertwerke Gmbh

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.)

1913-10-08

Publication date

1915-08-30

1915-08-30 Application granted granted Critical

1915-08-30 Publication of DK20488C publication Critical patent/DK20488C/en

Links

DK20488D 1913-10-08 Lightproof Torque Shutter for Projectors. DK20488C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DK20128T
DE20488X		1913-10-08

Publications (1)

Publication Number	Publication Date
DK20488C true DK20488C (en)	1915-08-30

Family

ID=28042664

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK20488D DK20488C (en)	1913-10-08		Lightproof Torque Shutter for Projectors.

Country Status (1)

Country	Link
DK (1)	DK20488C (en)

0
- DK DK20488D patent/DK20488C/en active

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