FR544003A - Perfectionnements aux phonographes pliants - Google Patents

Perfectionnements aux phonographes pliants

Info

Publication number: FR544003A
Authority: FR; France
Prior art keywords: phonographs; folding; folding phonographs
Prior art date: 1921-03-09
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.): Expired

Application number

Other languages

Inventor

Joshna Green

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.)

1921-03-09

Filing date

1921-11-29

Publication date

1922-09-13

1921-11-29 Application filed filed Critical

1922-09-13 Application granted granted Critical

1922-09-13 Publication of FR544003A publication Critical patent/FR544003A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card

FR544003D 1921-03-09 1921-11-29 Perfectionnements aux phonographes pliants Expired FR544003A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB544003X		1921-03-09

Publications (1)

Publication Number	Publication Date
FR544003A true FR544003A (fr)	1922-09-13

Family

ID=10470888

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR544003D Expired FR544003A (fr)	1921-03-09	1921-11-29	Perfectionnements aux phonographes pliants

Country Status (1)

Country	Link
FR (1)	FR544003A (fr)

1921
- 1921-11-29 FR FR544003D patent/FR544003A/fr not_active Expired

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