IP Library › Granted Patent US 576,290
Granted Patent S1
US 576,290 · App. 29/246,770 · Granted Sep 2, 2008

Step ladder

Assignee: Cosco Management, Inc.
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 576,290
App. No.
29/246,770
Granted
Sep 2, 2008
Kind
S1
Claims (1)

The ornamental design for a step ladder, as shown and described.

Assignments (3)
CHANGE OF NAME Recorded Sep 29, 2016
From: AMERIWOOD INDUSTRIES, INC.
To: DOREL HOME FURNISHINGS, INC.
Reel/Frame 040147/0673 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 26, 2014
From: COSCO MANAGEMENT, INC.
To: AMERIWOOD INDUSTRIES, INC.
Reel/Frame 034485/0130 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2006
From: MEYERS, THOMAS J.; MEYERS, PAUL F.
To: COSCO MANAGEMENT, INC.
Reel/Frame 018036/0332 →