[KongchangAI]
Unverified50% confidenceFactExact time

thermos(保温瓶)、escalator(自动扶梯)、zipper(拉链)等品牌因缺乏维护而通用化并丧失商标权

1
Sources
50%
Confidence
Long-term
Relevance
8/15/2026
First Seen

Sources

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Cite This Claim

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https://kongchang.com/claim/753814
API
curl https://kongchang.com/api/v1/knowledge/claims/753814
MCP
get_claim(id=753814)