CPC B61B13/08
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"Sliding or levitation systems" under classification B61B dealing with railway systems.
| Enclosing categories | CPC B61B13/00 |
|---|---|
| Subcategories | |
| Keywords | Track, Captive |
| Start year | |
| End year |
Patents in category CPC B61B13/08
- Patent DE-1881-18961 (English title: Locomotion of vehicles on inclined surfaces by means of balloons, Inventors: Philipp August Lemmer, Filing date: 1811-11-30)
- Patent US-1904-761053 (English title: Aerial navigation apparatus, Inventors: Charles F Morrison, Filing date: 1902-03-21)
- Patent US-1910-952886 (English title: Amusement flying-machine, Inventors: Rudolph G. DRESSLER, Filing date: 1969-12-31)
