PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D270342
|
Priority
Mar 19 1981
|
Filed
Mar 19 1981
|
Issued
Aug 30 1983
|
Expiry
Aug 30 1997
|
|
Assg.orig
|
|
Entity
unknown
|
1
|
1
|
n/a
|
|
|
The ornamental design for a pair of railroad crossing structural components, as shown and described.
|
FIG. 1 is an exploded perspective view of a pair of railroad crossing
structural components, illustrating our new design; and
FIG. 2 is an exploded bottom perspective view thereof.
The broken lines in the drawing are for illustrative purposes only.
Trickel, Lorn L., Stultz, William H.
Patent |
Priority |
Assignee |
Title |
3955761, |
Mar 05 1973 |
ORGO-THERMIT, INC |
Method for providing a vehicular supporting deck for a railroad grade crossing |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a