FR421023A - Improvements to clocks - Google Patents

Improvements to clocks

Info

Publication number
FR421023A
FR421023A FR421023DA FR421023A FR 421023 A FR421023 A FR 421023A FR 421023D A FR421023D A FR 421023DA FR 421023 A FR421023 A FR 421023A
Authority
FR
France
Prior art keywords
clocks
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
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DIFFERENTIAL POWER CLOCK COMPA
Original Assignee
DIFFERENTIAL POWER CLOCK COMPA
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 DIFFERENTIAL POWER CLOCK COMPA filed Critical DIFFERENTIAL POWER CLOCK COMPA
Application granted granted Critical
Publication of FR421023A publication Critical patent/FR421023A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/105—Driving mechanisms with mainspring having a form other than a helix

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR421023D 1910-10-01 1910-10-01 Improvements to clocks Expired FR421023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR421023T 1910-10-01

Publications (1)

Publication Number Publication Date
FR421023A true FR421023A (en) 1911-02-13

Family

ID=1464107

Family Applications (1)

Application Number Title Priority Date Filing Date
FR421023D Expired FR421023A (en) 1910-10-01 1910-10-01 Improvements to clocks

Country Status (1)

Country Link
FR (1) FR421023A (en)

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