IP Library Granted Patent US 561,622
Granted Patent S1
US 561,622 · App. 29/274,678 · Granted Feb 12, 2008

Voltmeter

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 561,622
App. No.
29/274,678
Granted
Feb 12, 2008
Kind
S1
Claims (1)

The ornamental design for a voltmeter, as shown and described.

Assignments (4)
CHANGE OF NAME Recorded Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 15, 2021
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 055585/0534 →
MERGER Recorded Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040621/0633 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 2, 2007
From: AHLGREN, LARS-OLOV; GUDMUNDSSON, MICHAEL
To: ABB TECHNOLOGY LTD.
Reel/Frame 019676/0824 →