Patent IT-1914-142558
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Selecting Patent US-1911-1279471 as a probable, clear US antecedent. This invention was evolving so there could be differences in the filing, possibly reflected in additional US filings in between.
- Numero del Registro Attestati: 448/231
- Duration: 6 years
- Applicant location: New York, USA
Sources
- Bollettino della proprietà intellettuale Anno 14, Fasc. 13/14 (1915), p. 392.
| Year filed | 1914 |
|---|---|
| Year granted | 1915 |
| Office | IT |
| Patent number | 142558 |
| Inventors | |
| Inventor country | US |
| Applicant person | |
| Applicant firm | Sperry Gyroscope Company |
| Applicant type | COMPANY |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements relatifs aux compas gyroscopiques |
| English title | Gyroscopic compass |
| Tech fields | gyro-compass, gyroscope, compass |
| Filing date | 1914-05-13 |
| Full specification filed date | |
| Application number | |
| Grant date | 1915-07-14 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent US-1911-1279471 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | IT 8 |
| IPCs | |
| CPCs | |
| Family year | 1911 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
