CH313E - Watch for approximate time determination in the dark - Google Patents

Watch for approximate time determination in the dark

Info

Publication number
CH313E
CH313E CH313DD CH313E CH 313 E CH313 E CH 313E CH 313D D CH313D D CH 313DD CH 313 E CH313 E CH 313E
Authority
CH
Switzerland
Prior art keywords
watch
dark
time determination
approximate time
approximate
Prior art date
Application number
Other languages
French (fr)
Inventor
Lambert J A
Original Assignee
Lambert J A
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 by Lambert J A filed Critical Lambert J A
Publication of CH313E publication Critical patent/CH313E/en

Links

CH313D 1899-04-11 1900-04-06 Watch for approximate time determination in the dark CH313E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH19083T 1899-04-11
CH313T 1900-04-06

Publications (1)

Publication Number Publication Date
CH313E true CH313E (en) 1900-07-31

Family

ID=41361198

Family Applications (1)

Application Number Title Priority Date Filing Date
CH313D CH313E (en) 1899-04-11 1900-04-06 Watch for approximate time determination in the dark

Country Status (1)

Country Link
CH (1) CH313E (en)

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