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 [Search a list of Patent Appplications for class D13]   CLASS D13,EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY
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SECTION I - CLASS DEFINITION

This class provides for design patents claiming ornamental designs for:

1. Solid Fuel

2. Energy Conservation or Transformation

3. Distribution, Modification, or Control

4. Magnet

5. Casing or Enclosure Not Elsewhere Specified

6. Miscellaneous

(1) Note. Design patents in this class are classified by what is claimed and shown in full and broken line disclosure.

SECTION II - REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS:

D7Equipment for Preparing or Serving Food or Drink Not Elsewhere Specified,   subclass 324 for solar collector-type cooking oven.
D8Tools and Hardware,   subclasses 307 through 312for switch knob; subclasses 350-353 for cover plate for receptacle, junction box, or wall switch; subclasses 354-360.1 for cable support, or mounting for conduit; subclass 364 for standoff support for electric line insulator.
D10Measuring, Testing, or Signalling Instruments,   subclasses 30 through 39for electrically driven apparatus, such as electric watches; subclass 40 for timer; subclasses 46-103 for housing for measuring or testing instruments; subclass 70 for radar; subclasses 75-80 for apparatus for regulating or indicating electrical property; subclass 77 for battery tester; subclass 105 for lightening conductor or arrestor; subclass 106.1 for remote controls specific to security systems.
D14Recording, Communication, or Information Retrieval Equipment,   subclass 218 for remote control unit for audio or video component; subclass 230 for impedance matching transformer; subclasses 240-256 for element or attachment for telephone equipment; subclass 256 for telephone connector; subclasses 388-420 for computer interface or control; subclasses 402-410 for computer mouse; subclasses 412-416 for computer joystick; subclass 433 for computer connector or coupler; subclasses 435-438 for cartridge, chip, or card.
D15Machines Not Elsewhere Specified,   subclasses 1 through 5for internal combustion engine or steam engine; subclass 144 for electric welding apparatus; subclass 199 for motor unit for garage door opener.
D18Printing and Office Machinery,   subclass 26 for light emitting gas discharge matrix display unit.
D21Games, Toys, and Sports Goods,   subclass 404 for magnetic-type toy; subclass 332 for console for video game; subclass 556 for toy remote control or transformer for toy vehicle.
D22Arms, Pyrotechnics, Hunting and Fishing Equipment,   subclass 112 for blasting equipment.
D23Environmental Heating and Cooling; Fluid Handling and Sanitary Equipment,   subclass 417 for electric heating element.
D25Building Units and Construction Elements,   subclasses 126 through 135for post or transmission tower.
D26Lighting,   subclass 119 for lamp guard or protector; subclasses 68-69 for post combined with lamp or light.

SUBCLASSES

[List of Patents for class D13 subclass 100]    100SOLID FUEL:
 This subclass is indented under the class definition.  Design for material for burning or consumption for the production of energy.
(1) Note. Includes ceramic briquette.

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103through 106, for battery.

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44Fuel and Related Compositions,   subclasses 530 through 535for fuel product or defined shape or structure.
D7Equipment for Preparing or Serving Food or Drink Not Elsewhere Specified,   subclass 324 for solar collection-type cooking oven.
D23Environmental Heating and Cooling; Fluid Handling and Sanitary Equipment,   subclass 417 for electric heating element.
  
[List of Patents for class D13 subclass 101]    101ENERGY CONVERSION OR TRANSFORMATION:
 This subclass is indented under the class definition.  Design for power source or device that alters the form or quality of power.
(1) Note. Includes maser or laser.
(2) Note. Includes transducer.

SEE OR SEARCH CLASS:

D7Equipment for Preparing or Serving Food or Drink Not Elsewhere Specified,   subclass 324 for solar warming or cooking oven.
D10Measuring, Testing, or Signalling Instruments,   subclass 77 for battery tester; subclass 105 for lightening conductor or arrestor.
D15Machines Not Elsewhere Specified,   subclasses 1 through 5for internal combustion engine or steam engine.
D23Environmental Heating and Cooling; Fluid Handling and Sanitary Equipment,   subclass 417 for electric heating element.
D25Building Units and Construction Elements,   subclasses 126 through 135for post or transmission tower.
  
[List of Patents for class D13 subclass 123]    123DISTRIBUTION MODIFICATION OR CONTROL:
 This subclass is indented under the class definition.  Design for means of transmitting or distributing energy from one point to another.

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162,for control panel or console with specific manual control element.
162through 164, for programmable controller.

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D8Tools and Hardware,   subclasses 350 through 353for cover plate for receptacle, junction box or wall switch; subclasses 354-360.1 for cable support or mounting for conduit; subclass 364 for standoff support for electric line insulator.
D10Measuring, Testing, or Signalling Instruments,   subclass 77 for battery tester; subclass 105 for lightening conductor or arrestor; subclass 106 for remote controls specific to security systems.
D14Recording, Communication, or Information Retrieval Equipment,   subclass 218 for remote control unit for audio or video component; subclasses 240-256 for element or attachment for telephone equipment; subclass 256 for telephone connector; subclasses 388-420 for computer interface or control; subclass 433 for computer connector or coupler; subclasses 435-438 for cartridge, chip, or card.
D21Games, Toys, and Sports Goods,   subclass 332 for console for video game; subclass 556 for toy remote control or transformer for toy vehicle.
  
[List of Patents for class D13 subclass 183]    183MAGNET:
 This subclass is indented under the class definition.  Design for object that attracts or repels metal by force of a magnetic field.
(1) Note. Includes magnetizer or demagnetizer.

SEE OR SEARCH CLASS:

D8Tools and Hardware,   subclasses 382 through 399for fastener or coupling.
D21Games, Toys, and Sports Goods,   subclass 404 for magnetic-type toy.
D34Material or Article Handling Equipment,   subclass 35 for lifting magnet specific to crane or hoist.
  
[List of Patents for class D13 subclass 184]    184CASING OR ENCLOSURE NOT ELSEWHERE SPECIFIED:
 This subclass is indented under the class definition.  Design for housing or covering not elsewhere specified.

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D8Tools and Hardware,   subclasses 350 through 353for cover plate for receptacle, junction box, or wall switch.
  
[List of Patents for class D13 subclass 199]    199MISCELLANEOUS:
 This subclass is indented under the class definition.  Design relating to the production, distribution, or transformation of energy not elsewhere provided for.
(1) Note. Includes electrode not elsewhere specified
  

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