FR55975E - - Google Patents
Info
- Publication number
- FR55975E FR55975E FR55975DA FR55975E FR 55975 E FR55975 E FR 55975E FR 55975D A FR55975D A FR 55975DA FR 55975 E FR55975 E FR 55975E
- Authority
- FR
- France
- 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
- 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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/24—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for chemistry
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Physics (AREA)
- Algebra (AREA)
- Computational Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Optimization (AREA)
- Medicinal Chemistry (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Chemical & Material Sciences (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR55975E true FR55975E (de) | 1952-09-29 |
Family
ID=1363478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR55975D Expired FR55975E (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR55975E (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2920401A (en) * | 1957-11-18 | 1960-01-12 | Kenneth A Lennon | Means for demonstrating nuclear energy concepts |
| US3107439A (en) * | 1960-12-19 | 1963-10-22 | Mildred M Parr | Model atom kit |
| US3276148A (en) * | 1964-01-31 | 1966-10-04 | Kenneth D Snelson | Model for atomic forms |
| US3460271A (en) * | 1967-11-06 | 1969-08-12 | Earl C Saxon | Teaching aid device |
| US4199876A (en) * | 1978-09-13 | 1980-04-29 | Gerson Katz | Device for displaying an improved periodic table of the elements |
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0
- FR FR55975D patent/FR55975E/fr not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2920401A (en) * | 1957-11-18 | 1960-01-12 | Kenneth A Lennon | Means for demonstrating nuclear energy concepts |
| US3107439A (en) * | 1960-12-19 | 1963-10-22 | Mildred M Parr | Model atom kit |
| US3276148A (en) * | 1964-01-31 | 1966-10-04 | Kenneth D Snelson | Model for atomic forms |
| US3460271A (en) * | 1967-11-06 | 1969-08-12 | Earl C Saxon | Teaching aid device |
| US4199876A (en) * | 1978-09-13 | 1980-04-29 | Gerson Katz | Device for displaying an improved periodic table of the elements |