Spark plug

USD1089097SActive Publication Date: 2025-08-19CATERPILLAR INC
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Patent Information

Application Number
US29/920015
Authority / Receiving Office
US · United States
Patent Type
Designs(United States)
Current Assignee / Owner
Filing Date
2023-12-07
Publication Date
2025-08-19
Estimated Expiration
2040-08-19

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Description

[0001] FIG. 1 is a front, left, top perspective view of a spark plug showing my new design;

[0002] FIG. 2 is a rear, left, bottom perspective view thereof;

[0003] FIG. 3 is a front elevation view thereof;

[0004] FIG. 4 is a rear elevation view thereof;

[0005] FIG. 5 is a right side view thereof;

[0006] FIG. 6 is a left side view thereof;

[0007] FIG. 7 is a top plan view thereof; and,

[0008] FIG. 8 is a bottom plan view thereof.

[0009] The broken lines of even length immediately adjacent to the shaded areas shown in FIGS. 1-8 depict the bounds of the claimed design, while all other broken lines are directed to the environment. The broken lines form no part of the claimed design.

Claims

The ornamental design for a spark plug, as shown and described.

Citation Information

Patent Citations

  • Spark plug (negative terminal opening type)

    CN307645537S

  • spark plug

    CN307830090S

  • Prechamber spark plug, ignition electrode for a prechamber spark plug and method for manufacturing an ignition electrode

    DE102020205320A1

  • Prechamber ignition device

    EP0675272B1

  • A pre-chamber sparkplug, and combustion engine including a pre-chamber sparkplug

    EP1701419A1