Patent CA-1921-228305
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- Tech class CPC B64C11/205: Constructional features for protecting blades, e.g. coating
- Inventor locations: Springsted, Jr., Superintendent; Berry, Engineer; both of 71 W. 23rd Street,NYC
Sources
- Bibliographic info on this patent at CIPO
- Original patent document and bibliography entry on espacenet
- Patent CA228305 on google patents
| Year filed | 1922 |
|---|---|
| Year granted | 1923 |
| Office | CA |
| Patent number | 228305 |
| Inventors | George William Springsted Jr., Charles Mccluskey Berry |
| Inventor country | US |
| Inventor location | |
| Applicant person | George William Springsted Jr., Charles Mccluskey Berry |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Propeller |
| English title | Propeller |
| Tech fields | propeller |
| Filing date | 1922-09 |
| Full specification filed date | |
| Application number | |
| Grant date | 1923-01-23 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | C. J. Appleman |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C11/00, IPC B64C27/32 |
| CPCs | CPC B64C11/205 |
| Family year | |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 21208251 |
| INPADOC family ID | 23981096 |
| Number of text pages | 6 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 4 |
