Patent US-1913-1141042
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Objective: reduce air resistance ; projectile in holder ; "ogival curve" (ogival=projectile head) ; air resistance caused by partial vacuum behind the projectile in flight ; therefore tail ("contour base") here is hollow and curved
- CPC Class: CPC F42B5/02 (20130101) - Cartridges, i.e. cases with charge and missile
- Inventor occ and location: Commander, US Navy, Washington DC, (FIPSloc=11001, imputed by HistPat), New York county, NY (FIPSloc=36061)
- Ordnance Development Company, of NY and Delaware
Patents which are supplementary to this one
- Patent CA-1913-153111 (English title: Firing projectiles from air craft, Filing date: 1913-10-25)
Sources
- Patent 1141042 document and bibliographic info on espacenet
- Patent 1141042 at google patents
| Year filed | 1913 |
|---|---|
| Year granted | 1915 |
| Office | US |
| Patent number | 1141042 |
| Inventors | Cleland Davis |
| Inventor country | US |
| Applicant person | Cleland Davis |
| Applicant firm | Ordnance Development Company |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Contour-base for projectiles |
| English title | Contour-base for projectiles |
| Tech fields | ballistics, projectiles, efficiency |
| Filing date | September 30, 1913 |
| Full specification filed date | |
| Application number | |
| Grant date | May 25, 1915 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Partially |
| Serial number | 792680 |
| Patent agent | Williamson, Guinta & Chackage |
| Assigned to | Ordnance Development Company |
| National tech categories | USPC 244/3.3, USPC 102/430 |
| IPCs | IPC F42B5/00 |
| CPCs | CPC F42B5/02 |
| Family year | 1913 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 8 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 4 |
