CH41675A4 - - Google Patents
Info
- Publication number
- CH41675A4 CH41675A4 CH41675D CH41675D CH41675A4 CH 41675 A4 CH41675 A4 CH 41675A4 CH 41675 D CH41675 D CH 41675D CH 41675 D CH41675 D CH 41675D CH 41675 A4 CH41675 A4 CH 41675A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49579—Watch or clock making
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2421751A DE2421751A1 (de) | 1974-05-06 | 1974-05-06 | Insbesondere fuer elektrische uhren vorgesehene spiralfederanordnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH41675A4 true CH41675A4 (en]) | 1977-07-29 |
Family
ID=5914723
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH41675D CH41675A4 (en]) | 1974-05-06 | 1975-01-14 | |
| CH41675A CH599586B5 (en]) | 1974-05-06 | 1975-01-14 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH41675A CH599586B5 (en]) | 1974-05-06 | 1975-01-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3950938A (en]) |
| JP (1) | JPS50142267A (en]) |
| CH (2) | CH41675A4 (en]) |
| DE (1) | DE2421751A1 (en]) |
| FR (1) | FR2270628B3 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD591191S1 (en) * | 2007-06-26 | 2009-04-28 | Maurice Lacroix Sa | Balance wheel with flat hairspring |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3528237A (en) * | 1968-04-30 | 1970-09-15 | Timex Corp | Horological hairspring |
| US3553956A (en) * | 1969-09-11 | 1971-01-12 | Timex Corp | Double hairspring clamping device |
-
1974
- 1974-05-06 DE DE2421751A patent/DE2421751A1/de active Pending
-
1975
- 1975-01-14 CH CH41675D patent/CH41675A4/xx unknown
- 1975-01-14 CH CH41675A patent/CH599586B5/xx not_active IP Right Cessation
- 1975-02-24 US US05/552,469 patent/US3950938A/en not_active Expired - Lifetime
- 1975-04-05 JP JP50041738A patent/JPS50142267A/ja active Pending
- 1975-05-06 FR FR7514212A patent/FR2270628B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50142267A (en]) | 1975-11-15 |
| FR2270628A1 (en]) | 1975-12-05 |
| US3950938A (en) | 1976-04-20 |
| FR2270628B3 (en]) | 1978-11-17 |
| DE2421751A1 (de) | 1975-11-27 |
| CH599586B5 (en]) | 1978-05-31 |