Patent US-1890-421309
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Concerns 'sub-caliber projectiles', which have a smaller diameter than the machine which fires them and therefore receive added power; invention concerns 'helicoidal wings' to maintain trajectory
- Inventor location: New York, New York county, NY (FIPSloc=36061, imputed by HistPat)
Sources
- Patent 421309 document and bibliographic info on espacenet
- Patent 421309 at google patents
- Patent doc at espacenet
| Year filed | 1889 |
|---|---|
| Year granted | 1890 |
| Office | US |
| Patent number | 421309 |
| Inventors | George H. Reynolds, Edmund L. Zalinski |
| Inventor country | US |
| Applicant person | George H. Reynolds, Edmund L. Zalinski |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Projectile |
| English title | Projectile |
| Tech fields | projectile, ballistics |
| Filing date | March 14, 1889 |
| Full specification filed date | |
| Application number | |
| Grant date | February 11, 1890 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0.5 |
| Serial number | 303356 |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 244/3.23 |
| IPCs | IPC F42B10/00 |
| CPCs | CPC F42B10/30 |
| Family year | 1889 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 7 |
| Number of claims | 11 |
