Patent GB-1912-4502
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(As a matter of technical-legal or other interest, the above original, the only we have on hand, is stamped "VOID: SEALER FEE NOT PAID".
(Also interestingly, Reginald Walter Barker is specifically a patent agent, acting in communication with Frederick William Barker, patent attorney, 50 Church Street, New York, NY, USA, and John Coffin, lawyer, Temple Court, New York, NY, USA.)
- Inventor location: 56, Ludgate Hill, London, E.C., England
- Inventor occupation: Patent agent
(It seems that Reginald Walter Barker, in consultation with the above gentlemen, acted as his own patent agent in this case.)
An emphasis is placed on "Venturi tubes", pistons, suction, "planes", per se.
| Year filed | 1912 |
|---|---|
| Year granted | 1912 |
| Office | GB |
| Patent number | 4502 |
| Inventors | Reginald Walter Barker |
| Inventor country | GB |
| Applicant person | Reginald Walter Barker |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improved Stabilizing Means for Aeroplanes |
| English title | Improved stabilizing means for airplanes |
| Tech fields | airplane, stability, construction, frame, wings |
| Filing date | February 22, 1912 |
| Full specification filed date | |
| Application number | 191204502D |
| Grant date | May 2, 1912 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | |
| Serial number | |
| Patent agent | Reginald Walter Barker |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C2700/6218, CPC B64C17/00 |
| Family year | 1912 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 23629563 |
| INPADOC family ID | 11118422 |
| Number of text pages | 4 |
| Number of diagram pages | 2 |
| Number of figures | 4 |
| Number of claims | 8 |
