USD463246SExpiredUtility
Flip-up rotary control knob
Est. expiryOct 23, 2021(expired)· nominal 20-yr term from priority
Inventors:Theodore A. Becker
50
PatentIndex Score
7
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12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a flip-up rotary control knob, as shown and described.
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