NL7613055A - DIDACTIC DIAL-ORGAN. - Google Patents
DIDACTIC DIAL-ORGAN.Info
- Publication number
- NL7613055A NL7613055A NL7613055A NL7613055A NL7613055A NL 7613055 A NL7613055 A NL 7613055A NL 7613055 A NL7613055 A NL 7613055A NL 7613055 A NL7613055 A NL 7613055A NL 7613055 A NL7613055 A NL 7613055A
- Authority
- NL
- Netherlands
- Prior art keywords
- didactic
- dial
- organ
- didactic dial
- Prior art date
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
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
- Electromechanical Clocks (AREA)
- Stringed Musical Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4912675A GB1505158A (en) | 1975-11-28 | 1975-11-28 | Didactic clock face device |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7613055A true NL7613055A (en) | 1977-06-01 |
Family
ID=10451242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7613055A NL7613055A (en) | 1975-11-28 | 1976-11-23 | DIDACTIC DIAL-ORGAN. |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5266029A (en) |
DE (1) | DE2639322A1 (en) |
FR (1) | FR2333309A1 (en) |
GB (1) | GB1505158A (en) |
NL (1) | NL7613055A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9125906D0 (en) * | 1991-12-05 | 1992-02-05 | Pope Darren M | Clocks |
-
1975
- 1975-11-28 GB GB4912675A patent/GB1505158A/en not_active Expired
-
1976
- 1976-08-27 JP JP10251376A patent/JPS5266029A/en active Pending
- 1976-09-01 DE DE19762639322 patent/DE2639322A1/en active Pending
- 1976-09-27 FR FR7628989A patent/FR2333309A1/en not_active Withdrawn
- 1976-11-23 NL NL7613055A patent/NL7613055A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB1505158A (en) | 1978-03-30 |
DE2639322A1 (en) | 1977-06-02 |
FR2333309A1 (en) | 1977-06-24 |
JPS5266029A (en) | 1977-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |