CH344461A4 - - Google Patents
Info
- Publication number
- CH344461A4 CH344461A4 CH344461A CH344461A CH344461A4 CH 344461 A4 CH344461 A4 CH 344461A4 CH 344461 A CH344461 A CH 344461A CH 344461 A CH344461 A CH 344461A CH 344461 A4 CH344461 A4 CH 344461A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/12—Clock-reading
-
- 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
- G04B19/00—Indicating the time by visual means
-
- 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
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
-
- 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
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
- G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
- G04B19/106—Special number markings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38977A US2994970A (en) | 1960-06-27 | 1960-06-27 | Instruction device for telling time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH344461A4 true CH344461A4 (US06557118-20030429-M00001.png) | 1963-03-15 |
| CH370357A CH370357A (de) | 1963-08-15 |
Family
ID=21902995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH344461A CH370357A (de) | 1960-06-27 | 1961-03-23 | Uhr mit Einrichtung zur Erlernung der Zeitangabe |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2994970A (US06557118-20030429-M00001.png) |
| CH (1) | CH370357A (US06557118-20030429-M00001.png) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702507A (en) * | 1970-11-30 | 1972-11-14 | Herbert R Romey | Visual teaching device for telling time |
| US4124945A (en) * | 1977-02-22 | 1978-11-14 | John Totten | Time telling teaching device |
| US4368046A (en) * | 1981-07-22 | 1983-01-11 | Bernick Herman C | System for teaching time recognition |
| US6031791A (en) * | 1997-09-03 | 2000-02-29 | Thoni; Deanna | Monitoring clock |
| US6071124A (en) * | 1998-02-26 | 2000-06-06 | Hope Industries, Inc. | Analog time teaching device |
| USD419600S (en) * | 1999-05-18 | 2000-01-25 | Amanda Marasca | Teaching timepiece |
| US9082314B2 (en) | 2013-10-30 | 2015-07-14 | Titanium Marketing, Inc. | Time teaching watch and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191517281A (en) * | 1915-12-09 | 1916-05-18 | Joseph Herman Volk | Apparatus for Teaching Children and others to Ascertain the Time from Clocks. |
| FR926995A (fr) * | 1946-05-16 | 1947-10-16 | Dispositif servant à apprendre à lire l'heure | |
| US2695463A (en) * | 1952-08-08 | 1954-11-30 | Spooner Daniel | Visual teaching aid |
-
1960
- 1960-06-27 US US38977A patent/US2994970A/en not_active Expired - Lifetime
-
1961
- 1961-03-23 CH CH344461A patent/CH370357A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH370357A (de) | 1963-08-15 |
| US2994970A (en) | 1961-08-08 |
