Patent US-1880-228845
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This patent identified because google patents said it was related to another patent, on propellers.
- Tech classifications: CPC A63B22/0076 Rowing machines for conditioning the cardio-vascular system
- Inventor location: San Francisco
- Assignee location: San Francisco
Sources
- Patent 228845 document and bibliographic info on espacenet
- Patent 228845 at google patents
Year filed | 1879 |
---|---|
Year granted | 1880 |
Office | US |
Patent number | 228845 |
Inventors | John Franklin Walthour |
Inventor country | US |
Applicant person | John Franklin Walthour |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Improvement in Rowing-Machines |
English title | Improvement in rowing machines |
Tech fields | |
Filing date | 1879-08-16 |
Full specification filed date | |
Application number | |
Grant date | 1880-06-15 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | -1 |
Serial number | |
Patent agent | |
Assigned to | Walter H. Chenery |
National tech categories | USPC 482/72 |
IPCs | IPC A63B69/06 |
CPCs | CPC A63B22/0076 |
Family year | 1879 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | |
INPADOC family ID | |
Number of text pages | 2 |
Number of diagram pages | 1 |
Number of figures | 4 |
Number of claims | 3 |