Patent US-1866-51918
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- Tech classes: CPC B64C1/1407 Doors; surrounding frames, CPC Y10S292/20 Window fasteners, CPC Y10T16/4644 Loop type, CPC Y10T16/513 Loop-type handle, and CPC Y10T292/0906 Screw
- Inventor location: Cumberland county, ME (FIPSloc=23005, imputed by HistPat)
Sources
- Patent 51918 document and bibliographic info on espacenet
- Patent 51918 at google patents
| Year filed | 1866 |
|---|---|
| Year granted | 1866 |
| Office | US |
| Patent number | 51918 |
| Inventors | Ezra Calderwood |
| Inventor country | US |
| Inventor location | Cumberland county, ME |
| Applicant person | Ezra Calderwood |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Window-sash fastener |
| English title | Window-sash fastener |
| Tech fields | fastener |
| Filing date | 1866/01/09 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Billanwood? |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC Y10S292/20, CPC Y10T16/513, CPC Y10T16/4644, CPC B64C1/1407, CPC Y10T292/0906 |
| Family year | 1866 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | 2 |
| Application ID | 45483002 |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 1 |
