FR837154A - Watch - Google Patents
WatchInfo
- Publication number
- FR837154A FR837154A FR837154DA FR837154A FR 837154 A FR837154 A FR 837154A FR 837154D A FR837154D A FR 837154DA FR 837154 A FR837154 A FR 837154A
- Authority
- FR
- France
- Prior art keywords
- watch
- 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
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH837154X | 1937-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR837154A true FR837154A (en) | 1939-02-03 |
Family
ID=4540831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR837154D Expired FR837154A (en) | 1937-04-27 | 1938-04-26 | Watch |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR837154A (en) |
-
1938
- 1938-04-26 FR FR837154D patent/FR837154A/en not_active Expired
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