Patent US-1863-40538
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- Inventor location (imputed by HistPat): Cambridge, Middlesex county, MA (FIPSloc=25017)
Sources
- Patent 40538 document and bibliographic info on espacenet
- Patent 40538 at google patents
Year filed | |
---|---|
Year granted | 1863 |
Office | US |
Patent number | 40538 |
Inventors | Halvor Halvorson |
Inventor country | US |
Applicant person | Charles Spear |
Applicant firm | |
Applicant type | |
Applicant is inventor? | 1 |
Original title | Improvement in explosive shells |
English title | Improvement in explosive shells |
Tech fields | military, projectile |
Filing date | 1863-11-03 |
Full specification filed date | |
Application number | |
Grant date | |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | 0.5 |
Serial number | |
Patent agent | |
Assigned to | Charles Spear |
National tech categories | USPC 244/3.23 |
IPCs | |
CPCs | CPC F42B10/30 |
Family year | 1863 |
First filing? | |
Cites these patents | |
Citations from after 1930 | |
Application ID | |
INPADOC family ID | |
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Number of diagram pages | |
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Number of claims |