USD462886SExpiredUtility
Rotary control knob with retractable section
Est. expiryOct 23, 2021(expired)· nominal 20-yr term from priority
Inventors:Theodore A. Becker
38
PatentIndex Score
3
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11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a rotary control knob with a retractable section, as shown and described.
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