Patent US-1883-297773
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Pump for changing the density of gas; conceivable application to LTA flight, but specifies refrigerationand the illustration does make it look really heavy
- Inventor location: Baltimore city, MD (imputed by HistPat)
- Assigned to=J. Olney Norris and Isaac T. Norris (2/3); Baltimore city; MD
Sources
- Patent 297773 document and bibliographic info on espacenet
- Patent 297773 at google patents
| Year filed | 1883 |
|---|---|
| Year granted | 1884 |
| Office | US |
| Patent number | 297773 |
| Inventors | William J. Ferguson |
| Inventor country | US |
| Inventor location | Baltimore |
| Applicant person | William J. Ferguson |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Gas-pump |
| English title | Gas-pump |
| Tech fields | |
| Filing date | November 1, 1883 |
| Full specification filed date | |
| Application number | |
| Grant date | April 29, 1884 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0 |
| Serial number | |
| Patent agent | Munn & Co. |
| Assigned to | J. Olney Norris, Isaac T. Norris |
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| Family year | 1883 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
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