GRIDSAFE
Live / Allowed — Fourth extension granted (statement of use) (as of 21 May 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 23 Mar 2023 filing date already counts against anyone who files later.
Record
- Serial number
- 97853835
- Mark type
- Word mark
- Filed
- 23 Mar 2023
- Published for opposition
- 26 Mar 2024
- Attorney of record
- Andrew S. Ehard
Goods and services
- Class 009 — Scientific and electric apparatus: Power grid protection device for AC electrical grounding and for blocking and reducing induced DC currents in the power grid from electromagnetic pulse (EMP) and solar storms, and for detection of and protection from EMP and solar storms, composed primarily of a switched grounding connection and a capacitor positioned in parallel to the switched grounding connection, and an electronic control circuit, with embedded software for operating the device; Power grid protection device for AC electrical grounding and for blocking and reducing induced DC currents in the power grid from electromagnetic pulse (EMP) and solar storms, and for detection of and protection from EMP and solar storms, composed primarily of a switched grounding connection and a resistor positioned in parallel to the switched grounding connection and an electronic control circuit, with embedded software for operating the device; Power grid protection device for AC electrical grounding and for blocking and reducing induced DC currents in the power grid from electromagnetic pulse (EMP) and solar storms, and for detection of and protection from EMP and solar storms, composed primarily of a switched grounding connection, capacitor and resistor positioned in parallel to the switched grounding connection, and an electronic control circuit, with embedded software for operating the device
Owner
- TechHold, LLC, Minneapolis, MN, US
- TechHold, LLC, Minneapolis, MN, US
Prosecution history
- 21 May 2026 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 21 May 2026 — SOU EXTENSION 4 GRANTED
- 21 May 2026 — SOU EXTENSION 4 FILED
- 21 May 2026 — SOU TEAS EXTENSION RECEIVED
- 01 Nov 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 31 Oct 2025 — SOU EXTENSION 3 GRANTED
- 31 Oct 2025 — SOU EXTENSION 3 FILED
- 31 Oct 2025 — SOU TEAS EXTENSION RECEIVED
- 22 Apr 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 22 Apr 2025 — SOU EXTENSION 2 GRANTED
- 21 Apr 2025 — SOU EXTENSION 2 FILED
- 21 Apr 2025 — SOU TEAS EXTENSION RECEIVED
- 15 Oct 2024 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 15 Oct 2024 — SOU EXTENSION 1 GRANTED
- 15 Oct 2024 — SOU EXTENSION 1 FILED