AT 61
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We only have one instance of this classification being used, that is, its association with the pneumatic safety wear for aviators found within the work of Nazaire Lacrotte.[1]
This wiki has 2 patents in category "AT 61".
Patents in category AT 61
- Patent AT-1913-63435 (English title: Pneumatic protective clothing for aviators, Inventors: Nazaire Lacrotte, Supplementary to patent: Patent FR-1912-450892 • Patent FR-1913-450892.17436, Filing date: 1913-02-24)
- Patent AT-1917-78938 (English title: Method for delivering oxygen for breathing purposes, especially for aircraft at varying altitudes, Supplementary to patent: Patent DE 1916-12-01 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H., Filing date: 1917-12-10)
References
| Enclosing categories | Austrian patent classifications |
|---|---|
| Subcategories | |
| Keywords | Safety, Piloting |
| Start year | |
| End year |
