IP Library › Granted Patent US 1,009,157
Granted Patent S1
US 1,009,157 · App. 35/513,578 · Granted Dec 26, 2023

Writing instrument

Inventor: Yijun Song (Paris, FR)
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Quick Facts
Patent No.
US 1,009,157
App. No.
35/513,578
Granted
Dec 26, 2023
Kind
S1
Claims (1)

The ornamental design for a writing instrument, as shown and described.

Assignments (2)
MERGER Recorded Dec 15, 2025
From: CARTIER INTERNATIONAL AG
To: RICHEMONT INTERNATIONAL SA
Reel/Frame 073932/0542 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 7, 2024
From: SONG, YIJUN
To: CARTIER INTERNATIONAL AG
Reel/Frame 066684/0307 →