Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
DF | CLASS NOTES | |
1 | DF | MISCELLANEOUS |
2 R | DF | CHUTES |
3 | DF | .~ Loading or trimming |
4 | DF | .~ Unloading |
5 | DF | .~.~ Vehicle wall supported |
6 | DF | .~.~ Extensible trough |
7 | DF | .~ Fruit |
8 | DF | |
9 | DF | .~ Grain drill |
10 | DF | .~ For rotary drum |
11 | DF | .~ With sprayer |
12 | DF | .~ Spiral |
13 | DF | .~.~ Switch |
14 | DF | .~ Sectional, multiple-point discharge |
15 | DF | .~ Vertically adjustable, bodily |
16 | DF | .~ Horizontal and vertical swing |
17 | DF | .~ Vertical swing |
18 | DF | .~.~ Counterweight |
19 | DF | .~.~.~ Varied |
20 | DF | .~.~.~ Valved |
21 | DF | .~.~ Valved |
* | DD | .~ Horizontal swing |
22 | DF | .~.~ Swiveled sections |
23 | DF | .~.~ Multiple-point discharge |
24 | DF | .~ Counterweight |
25 R | DF | .~ Flexible wall |
25 A | DF | .~.~ Open-face chutes |
25 E | DF | .~.~ Individual elements |
25 AC | DF | .~.~ Ammunition chutes |
25 S | DF | .~.~ Resilient conduit or spring construction |
25 FT | DF | .~.~ Feed tracks |
25 B | DF | .~.~ Balloon or inflatable members |
25 C | DF | .~.~ Extensible, flexible chutes |
27 | DF | .~ Zigzag |
28 | DF | .~.~ Switch |
* | DD | .~ Vertical pipe |
29 | DF | .~.~ Multiple-point discharge |
30 | DF | .~.~ Telescopic |
31 R | DF | .~ Switch |
31 A | DF | .~.~ Chute switches |
32 | DF | .~ Retarder |
33 | DF | .~ Wall |
34 | DF | .~.~ Vertical |
2 A | DF | .~ Chute connections |
2 B | DF | .~ Wall vibrators |
2 C | DF | .~ Variable capacity troughs |
2 D | DF | .~ Endless gravity |
2 E | DF | .~ Cup |
35 R | DF | ROLLERWAYS |
36 | DF | .~ Switch |
37 | DF | .~ Rollers |
35 A | DF | .~ Abutments and brakes for roller conveyers |
35 SS | DF | .~ Submerging and rising |
35 C | DF | .~ Centering and clamps (guides, generally) |
35 TE | DF | .~ Telescoping and extending |
35 F | DF | .~ Flexible |
35 MD | DF | .~ Multidirectional |
35 J | DF | .~ Joints |
35 G | DF | .~ Gates |
35 B | DF | .~ Biased rollers |
35 S | DF | .~ Spiral |
38 | DF | SKIDWAYS |
39 | DF | .~ Switch |
40 | DF | .~ Retarder |
41 | DF | SKIDS |
42 | DF | ROLLER JACKS |
44 | DF | ORIENTER |
45 | DF | .~ Manual or mechanical means moves article to upset |
46 | DF | .~ Grooved or twisted chute |
47 | DF | .~ Article upset about fixed point |
48 | DF | .~ Article upset about movable point |
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DIGESTS | ||
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DIG 1 | DD | Coin chute |
DIG 2 | DD | Indicators, safety devices and signals |