FR64740E - Perfectionnement de calendrier mécanique perpétuel - Google Patents

Perfectionnement de calendrier mécanique perpétuel

Info

Publication number
FR64740E
FR64740E FR64740DA FR64740E FR 64740 E FR64740 E FR 64740E FR 64740D A FR64740D A FR 64740DA FR 64740 E FR64740 E FR 64740E
Authority
FR
France
Prior art keywords
refinement
mechanical calendar
perpetual
perpetual mechanical
calendar
Prior art date
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
English (en)
Inventor
Pierre-Charles-Etien Delton
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR64740E publication Critical patent/FR64740E/fr
Expired legal-status Critical Current

Links

FR64740D 1953-10-23 1953-10-23 Perfectionnement de calendrier mécanique perpétuel Expired FR64740E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR64740T 1953-10-23

Publications (1)

Publication Number Publication Date
FR64740E true FR64740E (fr) 1955-12-01

Family

ID=8697767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR64740D Expired FR64740E (fr) 1953-10-23 1953-10-23 Perfectionnement de calendrier mécanique perpétuel

Country Status (1)

Country Link
FR (1) FR64740E (fr)

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