US Patent Class 244
AERONAUTICS-- Main Headings
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| CLASS NOTES | ||
| 1 R | DF | MISCELLANEOUS {3} |
| 2 | DF | COMPOSITE AIRCRAFT {1} |
| 3.1 | DF | MISSILE STABILIZATION OR TRAJECTORY CONTROL {4} |
| 158 R | DF | SPACECRAFT {6} |
| 4 R | DF | AIRCRAFT, HEAVIER-THAN-AIR {14} |
| 24 | DF | AIRCRAFT, LIGHTER-THAN-AIR {7} |
| 34 R | DF | AIRCRAFT SUSTENTATION {2} |
| 50 | DF | AIRCRAFT PROPULSION AND STEERING ON LAND OR WATER |
| 51 | DF | AIRCRAFT, STEERING PROPULSION {1} |
| 53 R | DF | AIRCRAFT POWER PLANTS {9} |
| 62 | DF | AIRCRAFT PROPULSION {7} |
| 75 R | DF | AIRCRAFT CONTROL {8} |
| 100 R | DF | LANDING GEAR {8} |
| 110 R | DF | RETARDING AND RESTRAINING DEVICES {11} |
| 114 R | DF | LANDING FIELD ARRANGEMENT {2} |
| 117 R | DF | AIRCRAFT STRUCTURE {14} |
| 138 R | DF | SAFETY LOWERING DEVICES {4} |
| 153 R | DF | KITES {3} |
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| CROSS-REFERENCE ART COLLECTIONS | ||
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| 900 | DF | LIGHTWEIGHT, WINGED, AIR VEHICLE (E,G,. ULTRALIGHT or HANG GLIDER) {4} |
| 905 | DF | INFLATABLE EVACUATION SLIDE |