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Class Information
Number: 258
Name: Railway mail delivery >
Description: This class is intended to include means particularly adapted to transfer mail bags, train-orders, and the like to or from moving vehicles, especially fixed-way vehicles in rapid motion.










Class Number Class Name No. of Patents
258/1.2

Aircraft in flight

8
258/1.8

Load exchange

0
258/1.4

To or from another moving vehicle and/or requiring circular aircraft flight

2
258/1.6

With projector

1
258/8

Car-positioned receiver or support

0
258/11

Combined receiver and support

0
258/12

Fork and other receiver

0
258/13

Retaining feature

0
258/14

Fork receiver only

0
258/18

Receiver-engaging feature

0
258/15

Retaining feature

0
258/16

Impact-operated load release

0
258/17

Receiver-engaging feature

0
258/19

Impact-operated load release

0
258/3

Hand tools

1
258/9

Laterally sliding receiver or support

1
258/10

Longitudinally extending auxiliary track

0
258/4

Magnetic

0
258/1

Miscellaneous

0
258/5

Projectors

0
258/6

Automatically actuated

0
258/7

Spring

0
258/20

Receivers

0
258/21

Fork

0
258/22

Retaining feature

1
258/2

Signaling feature

0
258/23

Supports

0
258/25

Impact-operated load release

0
258/24

Interconnected arms

0
258/26

Receiver-engaging feature

0
 
 
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