Patent US-1905-780639
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Sources
- Patent 780639 document and bibliographic info on espacenet
- Patent 780639 at google patents
- Inventor location (imputed by HistPat):
Year filed | 1904 |
---|---|
Year granted | 1905 |
Office | US |
Patent number | 780639 |
Inventors | Herbert Fitzroy Clayton |
Inventor country | GB |
Applicant person | Herbert Fitzroy Clayton |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Fog signalling apparatus for railways |
English title | Fog signalling apparatus for railways |
Tech fields | communication |
Filing date | July 28, 1904 |
Full specification filed date | |
Application number | 1904218583 |
Grant date | January 24, 1905 |
Granted? | Yes |
Publication date | |
Supplementary to patent | |
Related to aircraft? | No |
Serial number | |
Patent agent | John P. O'Donnell |
Assigned to | |
National tech categories | |
IPCs | |
CPCs | CPC B64C3/48 |
Family year | 1904 |
First filing? | Yes |
Cites these patents | |
Citations from after 1930 | |
Application ID | 46896669 |
INPADOC family ID | 43725351 |
Number of text pages | |
Number of diagram pages | |
Number of figures | |
Number of claims |