IP Library Granted Patent US 1,046,111
Granted Patent S1
US 1,046,111 · App. 29/789,391 · Granted Oct 8, 2024

Exhaust duct

Inventor: John A. Stevens (New York, NY)
Assignee: Alternative Sustainability IP LLC
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Quick Facts
Patent No.
US 1,046,111
App. No.
29/789,391
Granted
Oct 8, 2024
Kind
S1
Claims (1)

The ornamental design for an exhaust duct, as shown and described.

Assignments (2)
SECURITY INTEREST Recorded Nov 18, 2025
From: ALTERNATIVE SUSTAINABILITY LLC; ALTERNATIVE SUSTAINABILITY IP LLC; ALTERNATIVE SUSTAINABILITY MANUFACTURING LLC
To: DARBY GROUP COMPANIES, INC.
Reel/Frame 072947/0079 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 16, 2022
From: STEVENS, JOHN A
To: ALTERNATIVE SUSTAINABILITY IP LLC
Reel/Frame 060815/0384 →