The celebration event was attended by U.S. Steel employees, USW leadership, key partners and elected officials, among others.

The offer represented a 127% premium to Oklo’s closing price.

The steelmaker invited applications from technology start-ups across the globe to compete for investment from the Fund, which targets investments of up to $100 million per year in transformative technologies.

Until now, gold hallmarking was mandatory for only six purity categories- 14 carat, 18 carat, 20 carat, 22 carat, 23 carat and 24 carat.

The steelmakers likely to be impacted the most include Tata Steel, Steel Authority of India Limited (SAIL), Jindal Steel and Power Limited (JSPL) and JSW Steel.

For Gleason, the milestone marked the latest step toward transforming the site into the city’s largest public park.