SENTINEL MAINTENANCE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 37 (Construction & Repair) with 1 filings. The WikiTrademarks Expansion Score is 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 26, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 90090977 | SENTINEL MAINTENANCE | Aug 04, 2020 | Pending | 037 Construction & Repair | KLEEN TECH SERVICES, LLC |
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FAQ: SENTINEL MAINTENANCE trademark portfolio
What trademarks does SENTINEL MAINTENANCE hold?
SENTINEL MAINTENANCE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 37 (Construction & Repair). The most recent filings are registered to KLEEN TECH SERVICES, LLC.
How many trademarks does SENTINEL MAINTENANCE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SENTINEL MAINTENANCE. The brand has been actively filing since August 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SENTINEL MAINTENANCE file most often?
SENTINEL MAINTENANCE's most active class is NICE Class 37 (Construction & Repair), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SENTINEL MAINTENANCE trademark?
The most recent filings under the SENTINEL MAINTENANCE mark are registered to KLEEN TECH SERVICES, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SENTINEL MAINTENANCE expanding into new categories?
The current WikiTrademarks Expansion Score for SENTINEL MAINTENANCE is 1 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 SENTINEL MAINTENANCE trademark filings?
Click the Watch Brand button at the top of this page to add SENTINEL MAINTENANCE 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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