Parallel belted clamp
CA 1292355 C · Owner: Lancaster, William G. · Inventors: Lancaster, William G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A clamp for clamping a web during stretch wrapping includes a first longitudinally extending clamp element for engaging the web a second longitudinally extending clamp element extendable in a direction generally parallel to the longitudinal direction of the first clamp element for clamping the web between the second clamp element and the first clamp element as the second clam element is longitudinally extended in a direction parallel to the longitudinal direction of the first clamp element.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.