Patent GB-1901-3499
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- May not have been used for balloons, but it involves gas pressure measurement, and this inventor works on aeroplanes later
- Inventor location: 99 Friedrichstrasse, Aachen, Germany ; engineer
Sources
- Original patent document and bibliography entry on espacenet
- Original patent spec at DPMA
| Year filed | 1901 |
|---|---|
| Year granted | 1901 |
| Office | GB |
| Patent number | 3499 |
| Inventors | Karl Bomhard |
| Inventor country | DE |
| Applicant person | Karl Bomhard |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvements in or relating to Draught or Pressure Gauges |
| English title | Improvements in or relating to Draught or Pressure Gauges |
| Tech fields | gas, gauges |
| Filing date | 1901-02-18 |
| Full specification filed date | |
| Application number | |
| Grant date | 1901-05-04 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0.5 |
| Serial number | |
| Patent agent | Boult, Wade & Kilburn |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | |
| First filing? | 1 |
| 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 | 2 |
