USD542397SExpiredUtility
Portable heater
Est. expiryFeb 16, 2026(expired)· nominal 20-yr term from priority
27
PatentIndex Score
0
Cited by
33
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a portable heater, as shown and described.Join the waitlist — get patent alerts
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