[PT014AAF], Letter from U.S. Patent Office. Commissioner to Dyer and Seely, Thomas Alva Edison, April 6th, 1886

Item

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Title

[PT014AAF], Letter from U.S. Patent Office. Commissioner to Dyer and Seely, Thomas Alva Edison, April 6th, 1886

Editor's Notes

Notice of rejection and suspension of particular claims in railway teleg patent case. Also, reason for use of double conductor is desribed insufficiently.

URL

https://edisondigital.rutgers.edu/document/PT014AAF

Author

U.S. Patent Office. Commissioner

Recipient

Dyer and Seely
Edison, Thomas Alva

Date

1886-04-06

Decade

1880-1889

Type

Letter

Subject

Patent application
Phonoplex and railroad telegraphy

Identifier

PT014AAF

Folder Set

PT014-F

Microfilm ID

45:567

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University

Item sets

Case 663 Railway Signaling (1886)