IP Library Granted Patent US 1,103,476
Granted Patent S1
US 1,103,476 · App. 29/918,681 · Granted Nov 25, 2025

Pipe assembly

Inventor: David Ro-Peiris (Montreal, CA)
Assignee: CANNARA BIOTECH (QUEBEC) INC.
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Quick Facts
Patent No.
US 1,103,476
App. No.
29/918,681
Granted
Nov 25, 2025
Kind
S1
Claims (1)

The ornamental design for a pipe assembly as shown and described.

Assignments (3)
NOTICE OF SECURITY INTEREST IN IP Recorded Jun 4, 2024
From: CANNARA BIOTECH (QUEBEC) INC.
To: BANK OF MONTREAL, AS AGENT
Reel/Frame 067608/0964 →
CORRECTIVE ASSIGNMENT TO CORRECT THE TITLE PREVIOUSLY RECORDED AT REEL: 065702 FRAME: 0674. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Dec 1, 2023
From: RO-PEIRIS, DAVID
To: CANNARA BIOTECH (QUEBEC) INC.
Reel/Frame 065743/0963 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 29, 2023
From: RO-PEIRIS, DAVID
To: CANNARA BIOTECH (QUEBEC) INC.
Reel/Frame 065702/0674 →
References Cited (13)
US 3882875A · Frost · 1975 [cited by examiner]
US D261439S · Sher · 1981 [cited by examiner]
US D261813S · Sher · 1981 [cited by examiner]
US D262145S · Sher · 1981 [cited by examiner]
US D638984S · Gould · 2011 [cited by examiner]
US D642733S · Sweitzer · 2011 [cited by examiner]
US D820513S · Camitta · 2018 [cited by examiner]
CA 226234 · 2025 [cited by examiner]
CN 307353145 · 2022 [cited by examiner]
CN 308022853 · 2023 [cited by examiner]
“Grav Spherical Pocket Bubbler”. By “hausofjayne”. No Publication Date Listed. Found Online [Jan. 28, 2025]. (https://hausofjayne.com/product/grav-spherical-pocket-bubbler/) (Year: 2025). [cited by examiner]
“DynaVap Globe Waterpiece”. By “VapsonVaps”. No Publication Date Listed. Found Online [Jan. 28, 2025]. (https://vapsonvaps.com/ products/dynavap-water-bubbler) (Year: 2025). [cited by examiner]
“Apple Pipe Bowl Glass Pipe”. By “DracoGlass”. No Publication Date Listed. Found Online [Jan. 28, 2025]. (https://dracoglass.com/products/apple-pipe) (Year: 2025). [cited by examiner]