Patent US-1917-1219035
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- Tech class: B64C25/60 Oleo legs; Y10T16/2766 Concentric spring chamber; Y10T403/31 Flexible diaphragm or bellows
- Inventor location: Bradford district, Haverhill, Essex county, MA, US
Sources
- Patent 1219035 document and bibliographic info on espacenet
- Patent 1219035 at google patents
| Year filed | 1916 |
|---|---|
| Year granted | 1917 |
| Office | US |
| Patent number | 1219035 |
| Inventors | Ralph H. Pettengill |
| Inventor country | US |
| Inventor location | |
| Applicant person | Ralph H. Pettengill |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Shock-absorber |
| English title | Shock-absorber |
| Tech fields | Shock-absorber |
| Filing date | 1916-04-11 |
| Full specification filed date | |
| Application number | 9039516 |
| Grant date | 1917-03-13 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 90395 |
| Patent agent | Randolph, Jr. |
| Assigned to | |
| National tech categories | USPC 267/64.22, USPC 16/52, USPC 74/18.2, USPC 188/269, USPC 403/50 |
| IPCs | IPC B64C25/60, IPC B64C25/00 |
| CPCs | CPC B64C25/60, CPC Y10T403/31, CPC Y10T16/2766 |
| Family year | 1916 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 9 |
| Application ID | 47849629 |
| INPADOC family ID | 47257691 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 6 |
| Number of claims | 6 |
