Patent US-1880-233780
Jump to navigation
Jump to search
Lilienthal brothers' patent for childrens' blocks. The picture shows only a block. The invention has to do with the composition and preparation of the block material, which can be made in different colors, and is heavier than wood.
Inventor location: Berlin, Prussia, Germany
Sources
- Patent 233780 document and bibliographic info on espacenet
- Patent 233780 at google patents
| Year filed | 1880 |
|---|---|
| Year granted | 1880 |
| Office | US |
| Patent number | 233780 |
| Inventors | Otto Lilienthal, Gustav Lilienthal |
| Inventor country | DE, Prussia |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | Yes |
| Original title | Composition Toy Building-Block. |
| English title | Composition Toy Building-Block. |
| Tech fields | toy, fun |
| Filing date | September 18, 1880 |
| Full specification filed date | |
| Application number | |
| Grant date | October 26, 1880 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | No |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims |
