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Classification Resources
 
Class   244AERONAUTICS AND ASTRONAUTICS
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[List of Pre Grant Publications for class 244 subclass 1R][List of Patents for class 244 subclass 1R]  1R MISCELLANEOUS
[List of Pre Grant Publications for class 244 subclass 2][List of Patents for class 244 subclass 2]2 COMPOSITE AIRCRAFT
[List of Pre Grant Publications for class 244 subclass 3.1][List of Patents for class 244 subclass 3.1]3.1 MISSILE STABILIZATION OR TRAJECTORY CONTROL
[List of Pre Grant Publications for class 244 subclass 158.1][List of Patents for class 244 subclass 158.1]158.1 SPACECRAFT
[List of Pre Grant Publications for class 244 subclass 4R][List of Patents for class 244 subclass 4R]  4R AIRCRAFT, HEAVIER-THAN-AIR
[List of Pre Grant Publications for class 244 subclass 24][List of Patents for class 244 subclass 24]24 AIRCRAFT, LIGHTER-THAN-AIR
[List of Pre Grant Publications for class 244 subclass 34R][List of Patents for class 244 subclass 34R]  34R AIRCRAFT SUSTENTATION
 [List of Pre Grant Publications for class 244 subclass 50][List of Patents for class 244 subclass 50]50 AIRCRAFT PROPULSION AND STEERING ON LAND OR WATER
[List of Pre Grant Publications for class 244 subclass 51][List of Patents for class 244 subclass 51]51 AIRCRAFT, STEERING PROPULSION
[List of Pre Grant Publications for class 244 subclass 53R][List of Patents for class 244 subclass 53R]  53R AIRCRAFT POWER PLANTS
[List of Pre Grant Publications for class 244 subclass 62][List of Patents for class 244 subclass 62]62 AIRCRAFT PROPULSION
[List of Pre Grant Publications for class 244 subclass 75.1][List of Patents for class 244 subclass 75.1]75.1 AIRCRAFT CONTROL
[List of Pre Grant Publications for class 244 subclass 76R][List of Patents for class 244 subclass 76R]  76R Subclass 76R indent level is 1 Automatic
[List of Pre Grant Publications for class 244 subclass 220][List of Patents for class 244 subclass 220]220 Subclass 220 indent level is 1 Pilot operated
[List of Pre Grant Publications for class 244 subclass 87][List of Patents for class 244 subclass 87]87 Subclass 87 indent level is 1 Rudders and empennage
 [List of Pre Grant Publications for class 244 subclass 91][List of Patents for class 244 subclass 91]91 Subclass 91 indent level is 1 Vertical fins
 [List of Pre Grant Publications for class 244 subclass 92][List of Patents for class 244 subclass 92]92 Subclass 92 indent level is 1 Stabilizing propellers
[List of Pre Grant Publications for class 244 subclass 93][List of Patents for class 244 subclass 93]93 Subclass 93 indent level is 1 Stabilizing weights
[List of Pre Grant Publications for class 244 subclass 96][List of Patents for class 244 subclass 96]96 Subclass 96 indent level is 1 Airship control
 [List of Pre Grant Publications for class 244 subclass 99.1][List of Patents for class 244 subclass 99.1]99.1 Subclass 99.1 indent level is 1 Fuselage
 [List of Pre Grant Publications for class 244 subclass 99.11][List of Patents for class 244 subclass 99.11]99.11 Subclass 99.11 indent level is 1 Wing
 [List of Pre Grant Publications for class 244 subclass 99.12][List of Patents for class 244 subclass 99.12]99.12 Subclass 99.12 indent level is 1 Drag
 [List of Pre Grant Publications for class 244 subclass 99.13][List of Patents for class 244 subclass 99.13]99.13 Subclass 99.13 indent level is 1 Flutter control
 [List of Pre Grant Publications for class 244 subclass 99.14][List of Patents for class 244 subclass 99.14]99.14 Subclass 99.14 indent level is 1 Trim tab
[List of Pre Grant Publications for class 244 subclass 99.2][List of Patents for class 244 subclass 99.2]99.2 Subclass 99.2 indent level is 1 Specific control connection or actuator
[List of Pre Grant Publications for class 244 subclass 100R][List of Patents for class 244 subclass 100R]  100R LANDING GEAR
[List of Pre Grant Publications for class 244 subclass 110R][List of Patents for class 244 subclass 110R]  110R RETARDING AND RESTRAINING DEVICES
[List of Pre Grant Publications for class 244 subclass 114R][List of Patents for class 244 subclass 114R]  114R LANDING FIELD ARRANGEMENT
[List of Pre Grant Publications for class 244 subclass 117R][List of Patents for class 244 subclass 117R]  117R AIRCRAFT STRUCTURE
[List of Pre Grant Publications for class 244 subclass 118.1][List of Patents for class 244 subclass 118.1]118.1 Subclass 118.1 indent level is 1 Load (e.g., cargo) accommodation
[List of Pre Grant Publications for class 244 subclass 118.5][List of Patents for class 244 subclass 118.5]118.5 Subclass 118.5 indent level is 1 Passenger or crew accommodation
[List of Pre Grant Publications for class 244 subclass 119][List of Patents for class 244 subclass 119]119 Subclass 119 indent level is 1 Fuselage and body construction
[List of Pre Grant Publications for class 244 subclass 123.1][List of Patents for class 244 subclass 123.1]123.1 Subclass 123.1 indent level is 1 Airfoil construction
 [List of Pre Grant Publications for class 244 subclass 125][List of Patents for class 244 subclass 125]125 Subclass 125 indent level is 1 Airship hull construction
 [List of Pre Grant Publications for class 244 subclass 126][List of Patents for class 244 subclass 126]126 Subclass 126 indent level is 1 Airship skin construction
 [List of Pre Grant Publications for class 244 subclass 127][List of Patents for class 244 subclass 127]127 Subclass 127 indent level is 1 Airship load attachment
 [List of Pre Grant Publications for class 244 subclass 128][List of Patents for class 244 subclass 128]128 Subclass 128 indent level is 1 Airship gas cell construction and arrangement
[List of Pre Grant Publications for class 244 subclass 129.1][List of Patents for class 244 subclass 129.1]129.1 Subclass 129.1 indent level is 1 Details
[List of Pre Grant Publications for class 244 subclass 134R][List of Patents for class 244 subclass 134R]  134R Subclass 134R indent level is 1 Ice prevention
[List of Pre Grant Publications for class 244 subclass 135R][List of Patents for class 244 subclass 135R]  135R Subclass 135R indent level is 1 Fuel supply
 [List of Pre Grant Publications for class 244 subclass 136][List of Patents for class 244 subclass 136]136 Subclass 136 indent level is 1 Material discharging and diffusing
[List of Pre Grant Publications for class 244 subclass 137.1][List of Patents for class 244 subclass 137.1]137.1 Subclass 137.1 indent level is 1 Passenger or cargo loading or discharging
 [List of Pre Grant Publications for class 244 subclass 117A][List of Patents for class 244 subclass 117A]117A Subclass 117A indent level is 1 Skin cooling
[List of Pre Grant Publications for class 244 subclass 138R][List of Patents for class 244 subclass 138R]  138R SAFETY LOWERING DEVICES
[List of Pre Grant Publications for class 244 subclass 153R][List of Patents for class 244 subclass 153R]  153R KITES
 
CROSS-REFERENCE ART COLLECTIONS
 
[List of Pre Grant Publications for class 244 subclass 900][List of Patents for class 244 subclass 900]900 LIGHTWEIGHT, WINGED, AIR VEHICLE (E,G,. ULTRALIGHT OR HANG GLIDER)
 [List of Pre Grant Publications for class 244 subclass 905][List of Patents for class 244 subclass 905]905 INFLATABLE EVACUATION SLIDE
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or nonpatent literature from subclasses that have been reclassified have been transferred directly to the FOR Collection listed below. These classifications contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
  FOR100          AIRCRAFT CONTROL (244/75 R)
  FOR101          Subclass FOR101 indent level is 1 Flutter prevention (244/75 A)
      FOR102          Subclass FOR102 indent level is 2 Fluid (244/78)
      FOR103          Subclass FOR103 indent level is 1 Airfoil construction (244/123)
  FOR104          SPACECRAFT (244/158 R)
      FOR105          Subclass FOR105 indent level is 1 Exterior surface air resistance heat control (244/158 A)
      FOR106          Subclass FOR106 indent level is 1 Space station (244/159)
  FOR107          Subclass FOR107 indent level is 1 Reentry vehicle (244/160)
      FOR108          Subclass FOR108 indent level is 2 Rendezvous and docking (244/161)
  FOR109          Subclass FOR109 indent level is 2 Manned (244/162)
      FOR110          Subclass FOR110 indent level is 3 Environmental control (244/163)
      FOR111          Subclass FOR111 indent level is 2 With propulsion (244/172)
  FOR112          Subclass FOR112 indent level is 2 With solar panel (244/173)
      FOR113          Subclass FOR113 indent level is 3 Spaceship control (244/176)
      FOR114          Subclass FOR114 indent level is 3 By vortex generator or dissipator (244/199)