STACK LOCK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery) 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 August 11, 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 |
|---|---|---|---|---|---|
| 76635427 | STACK LOCK | Apr 08, 2005 | Abandoned | 007 Machinery | ADAMS AGRICULTURE EQUIPMENT, INC. |
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FAQ: STACK LOCK trademark portfolio
What trademarks does STACK LOCK hold?
STACK LOCK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery). The most recent filings are registered to ADAMS AGRICULTURE EQUIPMENT, INC..
How many trademarks does STACK LOCK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to STACK LOCK. The brand has been actively filing since April 2005. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does STACK LOCK file most often?
STACK LOCK's most active class is NICE Class 7 (Machinery), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the STACK LOCK trademark?
The most recent filings under the STACK LOCK mark are registered to ADAMS AGRICULTURE EQUIPMENT, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is STACK LOCK expanding into new categories?
The current WikiTrademarks Expansion Score for STACK LOCK 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 STACK LOCK trademark filings?
Click the Watch Brand button at the top of this page to add STACK LOCK 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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