Is “Clamp Jack” in the public domain?

Yes. “Clamp Jack” is public domain and released under CC0, so it is free to download and reuse for any purpose, including commercially, with no permission needed.

Can I use “Clamp Jack” commercially for free?

Yes. As a CC0 public-domain work it can be used commercially, modified and redistributed with no fee and no attribution required.

“Clamp Jack” by Eugene Bartz (c. 1937) is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of National Gallery of Art (Washington).

Clamp Jack

Eugene Bartz

Title	Clamp Jack
Artist	Eugene Bartz
Date	c. 1937 20th century
Medium	watercolor, pen and ink, and graphite on paperboard
Classification	Index of American Design
Holding institution	National Gallery of Art (Washington)
Credit line	Index of American Design
Rights	Public domain (CC0)

About this artwork

“Clamp Jack” is a work by Eugene Bartz, dated c. 1937. It is executed in watercolor, pen and ink, and graphite on paperboard and classified as index of american design. This work is in the public domain (CC0), so the image may be downloaded and reused for any purpose without permission (see the licence note below).