Patent GB-1918-130669
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Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: “St. Winifreds”, Cross Lane, Gravesend, in the County of Kent
- Inventor occupation: Engineer
This patent was made void, due to the sealing fee not being paid.
Though this patent is not treated in any way as an addition, it is shows elaboration built upon Patent GB-1918-130668 which was filed on the same day and processed with the same timing.
| Year filed | 1918 |
|---|---|
| Year granted | 1919 |
| Office | GB |
| Patent number | 130669 |
| Inventors | Arthur James Roberts |
| Inventor country | GB |
| Applicant person | Arthur James Roberts |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in Airships |
| English title | Improvements in Airships |
| Tech fields | airship, LTA, ballonet, envelope, compartments, petroleum, fueling |
| Filing date | 1918/03/08 |
| Full specification filed date | 1918/08/12 |
| Application number | 412418 |
| Grant date | 1919/08/14 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64B1/00 |
| CPCs | CPC B64B1/00 |
| Family year | 1918 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 21086210 |
| INPADOC family ID | 23882144 |
| Number of text pages | 5 |
| Number of diagram pages | 2 |
| Number of figures | 7 |
| Number of claims | 6 |
