Cancelled & expired registration
O-MINUS
Registration cancelled per USPTO on Nov 4, 1992
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration cancelled per USPTO on Nov 4, 1992 · code 710 (Cancelled, Section 8)
- Registration date
- Nov 13, 1984
- Filing date
- Dec 6, 1983
- Registration no.
- 1304522
- Serial no.
- 73455868
- Classes
- Class 1: Chemicals
- Goods & services
- an Oxygen Scavenger for Boilers which Prevents Corrosion, Adds Desired Alkalinity, Improves Heat Transfer and Extends Life of Equipment
- Owner as listed with the USPTO
- Malter International Corporation
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