IP Library › Granted Patent US 665,681
Granted Patent S1
US 665,681 · App. 29/385,955 · Granted Aug 21, 2012

Cartridge for an ion density measuring instrument

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 665,681
App. No.
29/385,955
Granted
Aug 21, 2012
Kind
S1
Claims (1)

The ornamental design for cartridge for an ion density measuring instrument, as shown.

Assignments (4)
CHANGE OF ADDRESS Recorded Feb 14, 2024
From: RESONAC CORPORATION
To: RESONAC CORPORATION
Reel/Frame 066599/0037 →
CHANGE OF NAME Recorded Mar 3, 2023
From: SHOWA DENKO MATERIALS CO., LTD.
To: RESONAC CORPORATION
Reel/Frame 062946/0125 →
CHANGE OF NAME Recorded Mar 2, 2023
From: HITACHI CHEMICAL COMPANY, LTD.
To: SHOWA DENKO MATERIALS CO., LTD.
Reel/Frame 062917/0865 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 27, 2011
From: NISHIMOTO, HIDEAKI
To: HITACHI CHEMICAL COMPANY, LTD.
Reel/Frame 026185/0865 →