Patent US-1893-497061
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- Tech class: CPC B61L5/06: Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
- Inventor location: Hyde Park, Norfolk county, MA (FIPSloc=25021, imputed by HistPat)
Sources
- Patent 497061 document and bibliographic info on espacenet
- Patent 497061 at google patents
| Year filed | 1890 |
|---|---|
| Year granted | 1893 |
| Office | US |
| Patent number | 497061 |
| Inventors | Edward F. Stone |
| Inventor country | US |
| Inventor location | |
| Applicant person | Edward F. Stone |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Electric-railway switch |
| English title | Electric-railway switch |
| Tech fields | railway |
| Filing date | 1890-02-01 |
| Full specification filed date | |
| Application number | |
| Grant date | 1893-05-09 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0 |
| Serial number | 838945 |
| Patent agent | Brown Bros. |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C13/06 |
| Family year | 1890 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 46410229 |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 2 |
