Cancelled & expired registration
SRD
Registration cancelled per USPTO on Sep 5, 2025
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration cancelled per USPTO on Sep 5, 2025 · code 709 (Cancelled, Section 71)
- Registration date
- Feb 19, 2019
- Filing date
- Feb 22, 2017
- Registration no.
- 5677191
- Serial no.
- 79216126
- Classes
- Class 1: ChemicalsClass 9: Electronics & softwareClass 19: Building materialsClass 40: Manufacturing servicesClass 42: Software & tech services
- Goods & services
- Industrial chemicals for use in manufacturing optoelectronic films and phase change materials (PCM); chemical compounds, namely, chalcogenides for use in manufacturing optoelectronic films and phase change materials (PCM); alkaline earth metals, namely, beryllium, magnesium, calcium, strontium, barium and radium for use in manufacturing optoelectronic films and phase change materials (PCM)
- Owner as listed with the USPTO
- E Ink Corporation
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