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Class Information
Number: 256
Name: Fences >
Description: This class includes that type of building structures commonly designated "fences" and characterized by a relatively low, generally openwork, structure adapted to serve the purposes of a barrier.










Class Number Class Name No. of Patents
256/DIG.2

Adjustable or falling fence

39
256/2

Barbed

36
256/5

Fabrics

5
256/3

Guarded

5
256/4

Visible

10
256/6

Strands

8
256/9

Sectional

1
256/7

Single

2
256/8

Integral barb

24
256/DIG.4

Board fastener

6
256/DIG.6

Building construction guard rail

82
256/DIG.1

Compensator, spring

5
256/12.5

Driftage control

96
256/19

Earth, stone, plastic, and wooden

348
256/10

Electric

181
256/13

Flood

26
256/20

Hedge

7
256/13.1

Highway guard

596
256/DIG.5

Metal post

80
256/21

Metallic

74
256/22

Picket

144
256/1

Miscellaneous

511
256/73

Panels (e.g., gates)

174
256/24

Panel

369
256/27

Angle

20
256/28

Tied

4
256/31

Braced

46
256/26

Hinged

110
256/25

Inclosure

112
256/29

Tied

10
256/30

Braced

2
256/59

Rail

359
 

Rail

 
256/60

Angle

33
256/61

Tied

2
256/64

Braced

74
256/65.01

Connection

150
256/67

Adjustable

164
256/68

Clamp

59
256/69

Screw

67
256/70

Wedge

29
256/72

No clip

11
256/66

Plastic

82
256/65.14

Post to base support

158
256/65.02

Rail to post

120
256/65.03

Bracket

83
256/65.08

Bracket inside rail

66
256/65.04

Rail inside bracket (e.g., sleeved bracket)

34
256/65.06

Channel bracket

39
256/65.05

Tubular bracket

47
256/65.07

Rail on top of bracket

21
256/65.09

Deformed in-situ

19
256/65.13

Latch

19
256/65.11

Rail extended through post or post extended through rail

63
256/65.12

Including distinct locking means

49
256/65.1

Welded or bonded

13
256/65.15

Rail to rail

31
256/65.16

Rail to wall

36
256/71

Tie

2
256/62

Tied

2
256/63

Braced

7
256/23

Suspended

59
256/11

Top guarded

49
256/12

Unstable

31
256/14

Track guard

16
256/17

Bar

16
256/18

Pronged

1
256/15

Rocking

0
256/16

Rotary

10
256/DIG.3

Wire clamp

14
256/32

Wire

148
256/33

All wire

22
256/35

Braced

55
256/36

Trussed

16
256/47

Connections

103
256/48

Cross

65
256/54

Clamp

49
256/55

Screw

14
256/56

Wedge

12
256/49

Facing strip

14
256/52

Multiple

25
256/58

No clip

6
256/53

Nonaligned slots

9
256/50

Plastic

17
256/51

Reenforced

4
256/57

Tie

21
256/45

Fabrics

63
256/34

Picket

58
256/46

Strands

14
256/37

Stretcher

30
256/38

Gravity

2
256/39

Spring

9
256/40

Winder

19
256/42

Bracket

11
256/43

Internal

2
256/44

Lateral

4
256/41

Multiple

7
 
 
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