IP Library Granted Patent US 1,109,890
Granted Patent S1
US 1,109,890 · App. 29/930,161 · Granted Jan 20, 2026

Guardrail extrusion

Inventors: Zhenju Su (Ningbo, CN); Hailong Liu (Ningbo, CN); Yuhan Liao (Ningbo, CN); Yong Zhang (Ningbo, CN); Diqing Yao (Ningbo, CN); Jian Zou (Ningbo, CN); Hongbin Xu (Ningbo, CN)
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 1,109,890
App. No.
29/930,161
Granted
Jan 20, 2026
Kind
S1
Claims (1)

The ornamental design for a guardrail extrusion as shown and described.

Priority Claims (1)
CN 202330551587.5 · Aug 28, 2023 · national
References Cited (7)
US 4964618A · Kennedy · 1990 [cited by examiner]
US D314438S · Meyers · 1991 [cited by examiner]
US D669770S · Lapping · 2012 [cited by examiner]
US D837404S · Coerver · 2019 [cited by examiner]
US D1078104S · Su · 2025 [cited by examiner]
CN 303796535 · 2016 [cited by examiner]
WO D236122001 · 2024 [cited by examiner]
Cited By (1)
US 12,440,827