Examples of a Product Line Extension. When a company rolls out a new product that carries slight differences from its existing product lines, it is part of a product line extension.

For the company, creating a product line or family can be a cost-efficient business strategy. ... How It Works, and Examples. What Is a Business Day in the U.S. and Internationally?

A product line in business is a group of related products under the same brand name manufactured by a company. Learn how product lines can help a business grow.