Patent IT-1915-151303
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- Numero del Registro Attestati: 452/118
- Duration: 6 years
- Perry: Kingsington, London
- Brown: North Acton, Middlesex
- This patent was approved unusually quickly. – 4 days?? (Tuesday to Saturday) – possibly rubberstamped due to previous approval in Britain or France.
Sources
- Bollettino della proprietà intellettuale Anno XIV, Fasc. 21/22 (1915), p. 602.
| Year filed | 1915 |
|---|---|
| Year granted | 1915 |
| Office | IT |
| Patent number | 151303 |
| Inventors | John Perry, Sydney George Brown |
| Inventor country | GB |
| Applicant person | John Perry, Sydney George Brown |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements apportés aux compas gyroscopiques employés dans la navigation |
| English title | Gyroscopic compass for navigation |
| Tech fields | navigation, gyroscope, compass, gyro-compass |
| Filing date | 1915-11-09 |
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| Application number | |
| Grant date | 1915-11-13 |
| Granted? | 1 |
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| Related to aircraft? | 1 |
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| National tech categories | IT 8 |
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| Family year | 1915 |
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| Cites these patents | |
| Citations from after 1930 | |
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