Patent GB-1912-18166
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This patent describes a detachable light, made of burning magnesium (or another type of light source) with an aluminum reflector, which can be dropped from an aircraft by night to illuminate the area below, without revealing the aircraft's location or blinding its operators.
There are two versions of this patent scanned, a first version and an amended version. Both have 'first filing' and 'complete specification' and similar length; the amended version has 4 claims instead of 5 and may differ in other ways.
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Bibliographic data via Espacenet of French patent making making reference to a British patent with this filing date
- Original via Espacenet of French patent making making reference to a British patent with this filing date
- Inventor location: The Grange, Farnborough Hants, GB
Patent family descending from Patent GB-1912-18166
- Patent FR-1913-456671 (Supplementary to patent: Patent GB-1912-18166)
- Patent GB-1912-18166 (English title: Improvements in Aircraft for Military Purposes)
- Patent GB-1913-19933 (English title: Aerial Illuminating Devices for use in connection with Air Craft, Supplementary to patent: Patent GB-1912-18166)
- Patent GB-1913-23320 (English title: Aerial Illuminating Devices for use in connection with Air Craft, Supplementary to patent: Patent GB-1912-18166)
- Patent IT-1914-145302 (English title: Aerial illuminating apparatus for dirigibles and airplanes, Supplementary to patent: Patent GB-1913-19933 • Patent GB-1912-18166, National tech categories: IT 8)
| Year filed | 1912 |
|---|---|
| Year granted | 1912 |
| Office | GB |
| Patent number | 18166 |
| Inventors | Harold Edward Sherwin Holt |
| Inventor country | GB |
| Inventor location | |
| Applicant person | Harold Edward Sherwin Holt |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in Aircraft for Military Purposes |
| English title | Improvements in Aircraft for Military Purposes |
| Tech fields | illumination, military, reconnaissance |
| Filing date | 1912-08-07 |
| Full specification filed date | 1913-02-07 |
| Application number | |
| Grant date | 1913-07-31 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Wheatley & Mackenzie |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64D1/02, IPC B64D47/04, IPC F42B10/56 |
| CPCs | CPC B64D1/02, B64D47/04, CPC F42B10/56 |
| Family year | 1912 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 4 |
