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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 138 | PIPES AND TUBULAR CONDUITS |
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26 | WITH PRESSURE COMPENSATORS |
32 | THAWING AND FREEZE PROTECTION |
36 | WITH WEAR INDICATOR |
37 | WITH FLOW REGULATORS AND/OR BAFFLES |
89 | WITH CLOSURES AND PLUGS |
Inflation stem type |
90 | Test plugs |
91 | Double end |
92 | Lateral opening |
93 | Inflatable |
94 | Laterally insertable |
95 | Return bend type |
96R | END PROTECTORS |
97 | REPAIRING |
100 | BREAKJOINT |
103 | COMBINED |
104 | With indicating means |
105 | With trench |
106 | With external support structure |
108 | With means to support disparate element therein |
109 | With end structure |
110 | With hose protector |
111 | PLURAL DUCT |
112 | With spacer and encircling element |
113 | Surrounding radially spaced duct with axially spaced supports for internal duct |
114 | Coaxial |
115 | Longitudinally extending common wall |
118 | FLEXIBLE |
118.1 | Casing |
119 | With means for facilitating collapse |
120 | Joined sections |
121 | Corrugated |
123 | Braided, interlaced, knitted or woven |
128 | Longitudinally seamed |
129 | Spirally wound material |
137 | Distinct layers |
140 | DISTINCT LAYERS |
141 | Bonded to each other |
145 | Coated |
147 | With mechanical means to hold layers in contact |
148 | Spaced |
149 | With intermediate insulation layer |
150 | With spiral seam |
151 | With longitudinal seam |
153 | Reinforced |
154 | SPIRALLY SEAMED |
155 | JOINED SECTIONS |
156 | LONGITUDINALLY SEAMED |
157 | Sectional |
164 | With packing |
165 | With wedge |
166 | With tongue in slot |
167 | With diverse locking means |
168 | With interlocking hooks |
169 | Diversity of seam |
170 | Permanent type seam |
172 | REINFORCED |
177 | STRUCTURE |
178 | MISCELLANEOUS |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
DIGESTS | ||
DIG1 | ADHESIVE |
DIG2 | GLASS FIBER |
DIG3 | TEFLON™, KEL-F |
DIG4 | AIR CONDITIONING |
DIG5 | PRE-STRESS |
DIG6 | CORROSION |
DIG7 | RESINS |
DIG8 | BENT SHAPED RETAINED |
DIG9 | CELLULAR |
DIG10 | METAL FOIL |
DIG11 | SHAPE |
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