IP Library › Granted Patent US 1,083,320
Granted Patent S1
US 1,083,320 · App. 29/841,780 · Granted Jul 15, 2025

Slipper

Inventor: Axel Keller (Milan, IT)
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Quick Facts
Patent No.
US 1,083,320
App. No.
29/841,780
Granted
Jul 15, 2025
Kind
S1
Claims (1)

The ornamental design for a slipper as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 4, 2026
From: KELLER, AXEL
To: BIRKENSTOCK IP GMBH
Reel/Frame 074555/0432 →
Priority Claims (1)
EM 008269286 · Nov 13, 2020 · regional
Continuity (1)
Division 35511901 · May 10, 2021
References Cited (8)
US D410324S · Adjeleian · 1999 [cited by examiner]
US D942128S · Storch · 2022 [cited by examiner]
US D957795S · Schaetz · 2022 [cited by examiner]
US D959104S · Storch · 2022 [cited by examiner]
US D1031214S · Storch · 2024 [cited by examiner]
US D1048671S · Blahnik · 2024 [cited by examiner]
US D1048673S · Blahnik · 2024 [cited by examiner]
Birkenstock, “Tokio”; https://www.birkenstock.com/de/tokio-natural-leather/tokio-core-naturalleather-0-evaantistatic-u_19.html#lang=de_DE&q=tokio; available at least as early as Nov. 12, 2019; date accessed Jul. 5, 2022. [cited by applicant]