USD451122SExpiredUtility

Press-up slide-out calculator with calendar

25
Priority: Oct 26, 2000Filed: Oct 26, 2000Granted: Nov 27, 2001
Est. expiryOct 26, 2020(expired)· nominal 20-yr term from priority
Inventors:Zhaosheng Tian
25
PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a press-up slide-out calculator with calendar, as shown and described.

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