US PATENT SUBCLASS 337 / 205
.~.~.~ With locking, sealing or guard means

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
142  DF  .~ Fusible element actuated {15}
186  DF  .~.~ Housing, casing or support means {11}
205.~.~.~ With locking, sealing or guard means

DEFINITION

Classification: 337/205

(under subclass 186) Subject matter wherein the housing, casing or support structure includes means whereby the housing or casing, (1) may be locked against accidental or unauthorized opening, (2) sealed against the entrance of air or moisture or the escape therefrom of gases or vapors, (3) the contents of the housing are protected from damage from the elements or (4) the device is provided with means to prevent physical contact with live parts by personnel.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

5, for electrical shock hazard preventive devices, subclasses 37+ for underground conductor housings, subclasses 50+ for hermetically sealed boxes and housings, subclasses 66+ for cover or face plate structure and subclasses 68.1+ for conductors in ducts or conduits.

200, Electricity: Circuit Makers and Breakers,

43.01+, for unauthorized use preventive means, subclasses 50.02+ for a switch and an associated element such as a casing cover and subclass 168 for casing or base structure, per se. 220, Receptacles,

2.1+, for envelopes for electric lamps or similar devices and subclasses 200+ for metallic receptacle closures.

324, Electricity: Measuring and Testing,

110, for meter control or fraud preventing devices.

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

202, for electromagnetic switches with housing, casing or support means.

361, Electricity: Electrical Systems and Devices,

600+, for housings and mounting assemblies with plural diverse electrical components and including protective or anti-tampering means, subclass 268 for transformers with integral switch, and subclass 269 for transformers with locking means.