FR845764A - Improvements to clocks, pendulets or the like - Google Patents
Improvements to clocks, pendulets or the likeInfo
- Publication number
- FR845764A FR845764A FR845764DA FR845764A FR 845764 A FR845764 A FR 845764A FR 845764D A FR845764D A FR 845764DA FR 845764 A FR845764 A FR 845764A
- Authority
- FR
- France
- Prior art keywords
- pendulets
- 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
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
- G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
- G04B45/04—Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR845764T | 1938-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR845764A true FR845764A (en) | 1939-09-01 |
Family
ID=9312995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR845764D Expired FR845764A (en) | 1938-05-04 | 1938-05-04 | Improvements to clocks, pendulets or the like |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR845764A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2749704A (en) * | 1953-10-30 | 1956-06-12 | Heikkila Pentti | Electric clock time indicating device |
US2760333A (en) * | 1955-05-11 | 1956-08-28 | Ralph L Tweedale | Clock |
DE1048832B (en) * | 1953-03-11 | 1959-01-15 | Ernest Morf | Clock, the mainspring of which is wound up by moving parts of a vehicle |
-
1938
- 1938-05-04 FR FR845764D patent/FR845764A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1048832B (en) * | 1953-03-11 | 1959-01-15 | Ernest Morf | Clock, the mainspring of which is wound up by moving parts of a vehicle |
US2749704A (en) * | 1953-10-30 | 1956-06-12 | Heikkila Pentti | Electric clock time indicating device |
US2760333A (en) * | 1955-05-11 | 1956-08-28 | Ralph L Tweedale | Clock |
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