U.S. PATENT AND TRADEMARK OFFICE Information Products Division |
Subclass | Title | |
---|---|---|
ClassTitle | ===> TRACK SANDERS | |
1 | ![]() | MISCELLANEOUS |
2 | ![]() | WHEEL-SLIP CONTROL |
3 | ![]() | FLUID DELIVERY |
4 | ![]() | . Smoke and cinder |
5 | ![]() | . Reversing |
6 | ![]() | . Movable trap valve |
7 | ![]() | . Gravity conversion |
8 | ![]() | . . Bypass |
9 | ![]() | . . Horizontal trap axis |
10 | ![]() | . . Vertical trap axis |
11.1 | ![]() | . Including sand trap |
11.2 | ![]() | . . Multiple fluid inlets for delivery pipe |
11.3 | ![]() | . . Specified means to alter inlet fluid flow |
12 | ![]() | . Blast-nozzle cleaners |
13 | ![]() | . Air ports and screens |
14 | ![]() | BRAKE-HANDLE CONTROL |
15 | ![]() | BRAKE-SYSTEM CONTROL |
16 | ![]() | HAND-VALVE CONTROL |
17 | ![]() | ALARMS |
18 | ![]() | JET IN HOPPER |
19 | ![]() | HEATERS |
20 | ![]() | . Electric |
21 | ![]() | . Steam |
22 | ![]() | POWER-ACTUATED |
23 | ![]() | . Electric |
24 | ![]() | . Fluid |
25 | ![]() | SAND FEEDERS |
26 | ![]() | . Reversing |
27 | ![]() | . Chain |
28 | ![]() | . Oscillatory |
29 | ![]() | . . Cup |
30 | ![]() | . . Hopper |
31 | ![]() | . . Spout cutoff |
32 | ![]() | . Rotary |
33 | ![]() | . Screw |
34 | ![]() | . Longitudinal slide |
35 | ![]() | . Pivoted slide |
36 | ![]() | . Vertical plunger |
37 | ![]() | . . Helical guide |
38 | ![]() | SAND HOPPERS |
39 | ![]() | . Wheel guard |
40 | ![]() | . Dome |
41 | ![]() | SAND-DELIVERY PIPE |
42 | ![]() | . Cleaners |
43 | ![]() | . . Fluid |
44 | ![]() | . Flexible |
45 | ![]() | . Telescopic |
46 | ![]() | . Nozzles |
47 | ![]() | . . Pivoted |
48 | ![]() | SAND SCREENS |
U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231 tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov