Square extension form
USD1060280SActive Publication Date: 2025-02-041000332602 ONTARIO INC
Patent Information
- Application Number
- US29/962536
- Authority / Receiving Office
- US · United States
- Patent Type
- Designs(United States)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-02-04
- Estimated Expiration
- 2040-02-04
Smart Images

Figure USD1060280-D00000_ABST
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Description
[0001] FIG. 1 is a top perspective view of a square extension form, showing my design;
[0002] FIG. 2 is a bottom perspective view thereof;
[0003] FIG. 3 is a first side view thereof;
[0004] FIG. 4 is a second side view thereof;
[0005] FIG. 5 is a third side view thereof;
[0006] FIG. 6 is a fourth side view thereof;
[0007] FIG. 7 is a top view thereof; and,
[0008] FIG. 8 is a bottom view thereof.
Claims
The ornamental design for a square extension form as shown and described.
Citation Information
Patent Citations
Conduit assembly and method of use thereof
US20060123716A1
Manhole
US3926533A
Pre-cast units for sewer construction
US4121390A
Manhole extension assembly
US4188151A
Method of installing manhole safety steps and plugs therefor
US4241543A
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