Patent US-1918-1374256
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- Inventor location: Toronto
Patent family descending from Patent US-1918-1374256
- Patent US-1918-1374256 (English title: Aerial lifting device)
- Patent GB-1918-127418 (English title: Improvements in Aerial Lifting Devices, Supplementary to patent: Patent US-1918-1374256)
Sources
- Patent 1374256 document and bibliographic info on espacenet
- Patent 1374256 at google patents
| Year filed | 1918 |
|---|---|
| Year granted | 1921 |
| Office | US |
| Patent number | 1374256 |
| Inventors | Cornelis Hendrick van Asperen |
| Inventor country | CA |
| Applicant person | Cornelis Hendrick van Asperen |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Aerial lifting device |
| English title | Aerial lifting device |
| Tech fields | |
| Filing date | 1918-05-06 |
| Full specification filed date | |
| Application number | 23298518 |
| Grant date | 1921-04-12 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 412412 |
| Patent agent | Tethers & Taylor? |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C27/04 |
| CPCs | CPC B64C2700/6281, CPC B64C27/04 |
| Family year | 1918 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 3 |
| Application ID | 48866397 |
| INPADOC family ID | 44483564 |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 1 |
