GUARDIAN DUAL CHECK holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 11 (Lighting & HVAC) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 23, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 76617766 | GUARDIAN DUAL CHECK | Oct 26, 2004 | Abandoned | 011 Lighting & HVAC | Smith Industries, Inc. |
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FAQ: GUARDIAN DUAL CHECK trademark portfolio
What trademarks does GUARDIAN DUAL CHECK hold?
GUARDIAN DUAL CHECK holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 11 (Lighting & HVAC). The most recent filings are registered to Smith Industries, Inc..
How many trademarks does GUARDIAN DUAL CHECK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to GUARDIAN DUAL CHECK. The brand has been actively filing since October 2004. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does GUARDIAN DUAL CHECK file most often?
GUARDIAN DUAL CHECK's most active class is NICE Class 11 (Lighting & HVAC), with 1 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the GUARDIAN DUAL CHECK trademark?
The most recent filings under the GUARDIAN DUAL CHECK mark are registered to Smith Industries, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is GUARDIAN DUAL CHECK expanding into new categories?
The current WikiTrademarks Expansion Score for GUARDIAN DUAL CHECK is 0 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new GUARDIAN DUAL CHECK trademark filings?
Click the Watch Brand button at the top of this page to add GUARDIAN DUAL CHECK to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
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