Railway mail delivery > Patents

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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	1
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