Patent US-1889-424969
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Improvement in firing apparatus for cannon. Inventor Gathmann goes on to make many inventions, e.g. howitzer guns, some of which are in aero/aviation.
- Inventor location: Chicago, Cook county, IL (FIPSloc=17031, imputed by HistPat)
- Tech class CPC F41A21/28: Gas-expansion chambers; Barrels provided with gas-relieving ports
Sources
- Patent 424969 document and bibliographic info on espacenet
- Patent 424969 at google patents
| Year filed | 1889 |
|---|---|
| Year granted | 1890 |
| Office | US |
| Patent number | 424969 |
| Inventors | Louis Gathmann |
| Inventor country | US |
| Applicant person | Louis Gathmann |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Constructing and loading cannon |
| English title | Constructing and loading cannon |
| Tech fields | military, ordnance |
| Filing date | 1889-03-26 |
| Full specification filed date | |
| Application number | |
| Grant date | 1890-04-08 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0 |
| Serial number | 304894 |
| Patent agent | Wm. W. Lotz |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC F41A21/28 |
| Family year | 1889 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 2 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 5 |
