IP Library › Granted Patent US 547,439
Granted Patent S1
US 547,439 · App. 29/183,885 · Granted Jul 24, 2007

Bottom portion of a frame for use with a mask assembly in the application of continuous positive airway pressure (CPAP)

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 547,439
App. No.
29/183,885
Granted
Jul 24, 2007
Kind
S1
Claims (1)

The ornamental design for a bottom portion of a frame for use with a mask assembly in the application of continuous positive airway pressure (CPAP), as shown and described.

Assignments (5)
CHANGE OF NAME Recorded Apr 30, 2019
From: RESMED LIMITED
To: RESMED PTY LTD
Reel/Frame 050005/0461 →
CHANGE OF ASSIGNEE'S ADDRESS Recorded Mar 2, 2009
From: RESMED LIMITED
To: RESMED LIMITED
Reel/Frame 022355/0170 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2003
From: GUNARATNAM, MICHAEL KASSIPILLAI; AMARASINGHE, AMAL SHIRLEY
To: RESMED (R&D) LIMITED
Reel/Frame 014508/0502 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2003
From: RESMED (R&D) LIMITED
To: RESMED, LIMITED
Reel/Frame 014509/0930 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2003
From: GUNARATNAM, MICHAEL KASSIPILLAI; AMARASINGHE, AMAL SHIRLEY
To: RESMED LIMITED
Reel/Frame 014509/0938 →