DURAPRO holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 4 (Lubricants & Fuels) 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 June 14, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 79437554 | DURAPRO | Oct 24, 2025 | Registered | 004 Lubricants & Fuels | Castrol Limited |
| 98098049 | DURAPRO | Jul 24, 2023 | Registered | 006 Metal Goods | Midwest Fastener Corp. |
| 86067447 | DURAPRO | Sep 17, 2013 | Abandoned | 009 Electronics & Software | DUNLOP PROTECTIVE FOOTWEAR USA, LLC |
Weekly visibility reports showing how ChatGPT mentions DURAPRO, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DURAPRO trademark portfolio
What trademarks does DURAPRO hold?
DURAPRO holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 4 (Lubricants & Fuels), Class 9 (Electronics & Software), Class 6 (Metal Goods). The most recent filings are registered to Castrol Limited.
How many trademarks does DURAPRO have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DURAPRO. The brand has been actively filing since October 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DURAPRO file most often?
DURAPRO's most active class is NICE Class 4 (Lubricants & Fuels), with 1 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DURAPRO trademark?
The most recent filings under the DURAPRO mark are registered to Castrol Limited. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DURAPRO expanding into new categories?
The current WikiTrademarks Expansion Score for DURAPRO 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 DURAPRO trademark filings?
Click the Watch Brand button at the top of this page to add DURAPRO 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.
More on this portfolio: Compare DURAPRO to another owner · Browse all NICE classes · Most valuable brands