
Claims (1)
Claim 1 (Independent)
The ornamental design for a roller blocking device, as shown and described.
Full Description
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is a front perspective view of a roller blocking device in accordance with my new design;
is a front view thereof;
is a back view thereof;
is a left view thereof;
is a right view thereof;
is a top plan view thereof;
is a bottom view thereof;
is a back perspective view thereof;
is bottom front perspective view thereof; and,
is bottom back perspective view thereof.
Figures (6)
Citations
This patent cites (16)
- USD2703
- US1900149
- US2360708
- USD170240
- USD634341
- USD720206
- USD754531
- USD810536
- USD841424
- US11814251
- US2017/0210565
- US2024/0246769
- US303772059
- US308553623
- US4194379
- US0137202