IP Library › Granted Patent US 1,082,500
Granted Patent S1
US 1,082,500 · App. 29/905,630 · Granted Jul 8, 2025

Horseshoe spring

Inventor: Ryan Douvier (Fort Scott, KS)
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 1,082,500
App. No.
29/905,630
Granted
Jul 8, 2025
Kind
S1
Claims (1)

The ornamental design for a horseshoe spring as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2025
From: DOUVIER, RYAN
To: STEADFAST INNOVATIONS, LLC
Reel/Frame 071280/0309 →
References Cited (33)
US 885868A · Savage · 1908 [cited by examiner]
US 1245499A · Orm · 1917 [cited by examiner]
US 2520818A · Terry · 1950 [cited by examiner]
US 2779647A · Hamm · 1957 [cited by examiner]
US 3468527A · Mather · 1969 [cited by examiner]
US D251642S · Ramsey · 1979 [cited by examiner]
US D277952S · Nakano et al. · 1985 [cited by examiner]
US D279370S · Ballew · 1985 [cited by examiner]
US D289121S · Sasaki · 1987 [cited by examiner]
US 4722500A · Bray · 1988 [cited by examiner]
US 4951361A · Stephens, Jr. · 1990 [cited by examiner]
US 5113605A · Kim · 1992 [cited by examiner]
US D409024S · Wagner et al. · 1999 [cited by examiner]
US 5909791A · DiStefano · 1999 [cited by examiner]
US 5956878A · Yang · 1999 [cited by examiner]
US 6233760B1 · Cavazos · 2001 [cited by examiner]
US 6375174B2 · Hasegawa et al. · 2002 [cited by examiner]
US D525838S · Weiser et al. · 2006 [cited by examiner]
US 7908780B2 · Fitzpatrick · 2011 [cited by examiner]
US D640124S · Hsieh · 2011 [cited by examiner]
US D640529S · Hsieh · 2011 [cited by examiner]
US D640914S · Hsieh · 2011 [cited by examiner]
US 8069601B1 · Fitzpatrick · 2011 [cited by examiner]
US 8635796B2 · Fitzpatrick · 2014 [cited by examiner]
US 8752317B1 · Calvert · 2014 [cited by examiner]
US D755609S · Heirakuji · 2016 [cited by examiner]
US 9746264B2 · Fitzpatrick · 2017 [cited by examiner]
US 10072903B2 · Fitzpatrick · 2018 [cited by examiner]
US 10393457B2 · Fitzpatrick · 2019 [cited by examiner]
US RE49104E · Fitzpatrick · 2022 [cited by examiner]
US RE50212E · Fitzpatrick · 2024 [cited by examiner]
US RE50303E · Fitzpatrick · 2025 [cited by examiner]
US 20250085071A1 · Oaks · 2025 [cited by examiner]