Patent NL-1917-4415
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Sources
- Original patent document and bibliography entry on espacenet
- Patent record in the Netherlands Patent Office register
- Inventor location: Soesterberg, Netherlands
| Year filed | 1917 |
|---|---|
| Year granted | 1929 |
| Office | NL |
| Patent number | 4415 |
| Inventors | Floris Albert van Heyst |
| Inventor country | |
| Applicant person | Floris Albert van Heyst |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Kaart en kaarthouder ten dienste van het verkeer over grote afstanden |
| English title | Card and card holder at the service of traffic over long distances |
| Tech fields | subsystem, passenger, cargo |
| Filing date | 1917-11-17 |
| Full specification filed date | |
| Application number | 9014 |
| Grant date | 1919-09-20 |
| Granted? | 1 |
| Publication date | 1918-03-15 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | NL 62, NL 62.15 |
| IPCs | IPC G09B29/06 |
| CPCs | IPC G09B29/06 |
| Family year | 1917 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 2 |
| Number of figures | 7 |
| Number of claims | 2 |
