Patent US-1921-1378824
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- USPC 244/80
- Automatically-regulated pendulum
- Inventor location (imputed from HistPat): New York county, NY (FIPSloc=36061)
Sources
- Patent 1378824 document and bibliographic info on espacenet
- Patent 1378824 at google patents
| Year filed | 1918 |
|---|---|
| Year granted | 1921 |
| Office | US |
| Patent number | 1378824 |
| Inventors | Walter H. Parnell Jr |
| Inventor country | |
| Applicant person | Walter H. Parnell Jr |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | |
| English title | |
| Tech fields | |
| Filing date | 1918-05-31 |
| Full specification filed date | |
| Application number | 23767018 |
| Grant date | 1921-05-17 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C17/00 |
| CPCs | CPC B64C2700/6212, CPC B64C17/00 |
| Family year | 1918 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 48904890 |
| INPADOC family ID | 44510078 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
