US PATENT SUBCLASS 235 / 61 PS
.~ Computing scales
Current as of: June, 1999
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Unofficial Alpha Subclasses: R A B C D DP E F FA FB FC FD FE G GM J K L NV PS PA PB PC PD PE PF PG PH PJ PK PL PM T
DEFINITION
Classification: 235/61
(under the class definition) Subject matter comprising calculating-machines. In this group are classified machines
for mechanically performing the various mathematical operations, usually those of addition or subtraction, frequently that of multiplication, and occasionally of division. These machines generally comprise registers and keys or equivalents for operating them, together with necessary auxiliary devices.
SEE OR SEARCH CLASS
33, Geometrical Instruments, for means for calculating unknown functions of geometrical figures, said means having members designed to form representations of said figures.
73, Measuring and Testing,
861.43+, for integrating means combined with flow meter structures.
177, Weighing Scales, 25+, for a weigher with means making a calculation using a weight evaluation by the weigher as a factor.
315, Electric Lamp and Discharge Devices: Systems,
8.5+, for cathode-ray tube systems responsive to electrical pulses for counting or storing such pulses, or for translating such pulses from one code to another code, and subclass 84.5 for electrical pulse counting or storing circuits employing gaseous space discharge devices.
333, Wave Transmission Lines and Networks,
19, for differentiating or integrating networks of the passive type.
