Patent US-1911-1279471
This patent describes a navigational subsystem which uses a gyroscope controlled by a feedback system, to maintain a vessel's course in a given compass direction.
Sperry Gyroscope doesn't start filing patents until 1914; so it seems possible that Elmer Ambrose initiated this filing himself but at some point during the long approval process wanted it to be held by the company instead.
This patent contains an unusual long exegesis on the pendulum studies of Léon Foucault. It also refers to a filing with consecutive serial number, 634595, probably filed at the same time, to do with "correcting the apparent readings of gyroscopic compasses". This other patent probably matches Patent DE-1911-288818 but we don't have it in the database yet.
Sperry apparently had no agent for this patent.
- The granting of this patent was administratively delayed for an unusually long time. – 7 years.
Patents which are supplementary to this one
- Patent IT-1914-142558 (English title: Gyroscopic compass, Filing date: 1914-05-13)
- Inventor location: bot Sperry and his company are located in Brooklyn, New York.
- Witnesses as shown on the final text page: Hannibal C. Ford and Charles H. Conner
Sources
- Patent 1279471 document and bibliographic info on espacenet
- Patent 1279471 at google patents
| Year filed | 1911 |
|---|---|
| Year granted | 1918 |
| Office | US |
| Patent number | 1279471 |
| Inventors | Elmer Ambrose Sperry |
| Inventor country | US |
| Inventor location | |
| Applicant person | Elmer Ambrose Sperry |
| Applicant firm | Sperry Gyroscope Company |
| Applicant type | |
| Applicant is inventor? | Yes |
| Original title | Gyroscopic Compass |
| English title | Gyroscopic Compass |
| Tech fields | gyroscope, compass, gyro-compass, cybernetics, electricity, navigation, instrument |
| Filing date | 1911/06/21 |
| Full specification filed date | |
| Application number | |
| Grant date | 1918/09/17 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 634594 |
| Patent agent | None |
| Assigned to | Sperry Gyroscope Company |
| National tech categories | |
| IPCs | |
| CPCs | CPC G01C19/38, CPC Y10T74/1229, CPC Y10T74/1282, CPC Y10T74/1289, CPC Y10T74/18328 |
| Family year | 1911 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 16 |
| Number of diagram pages | 3 |
| Number of figures | 10 |
| Number of claims | 64 |
