FR845481A - Watchglass - Google Patents

Watchglass

Info

Publication number
FR845481A
FR845481A FR845481DA FR845481A FR 845481 A FR845481 A FR 845481A FR 845481D A FR845481D A FR 845481DA FR 845481 A FR845481 A FR 845481A
Authority
FR
France
Prior art keywords
watchglass
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.)
Knoll & Pregizer
Original Assignee
Knoll & Pregizer
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 Knoll & Pregizer filed Critical Knoll & Pregizer
Application granted granted Critical
Publication of FR845481A publication Critical patent/FR845481A/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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR845481D 1937-11-01 1938-10-31 Watchglass Expired FR845481A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE845481X 1937-11-01

Publications (1)

Publication Number Publication Date
FR845481A true FR845481A (en) 1939-08-24

Family

ID=6774806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845481D Expired FR845481A (en) 1937-11-01 1938-10-31 Watchglass

Country Status (1)

Country Link
FR (1) FR845481A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666593GA3 (en) * 1986-09-10 1988-08-15 Glass for wrist-watch - includes plane outer surface and conical inner surface with central flat area for design

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666593GA3 (en) * 1986-09-10 1988-08-15 Glass for wrist-watch - includes plane outer surface and conical inner surface with central flat area for design

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