Expired design patentArchive
Perforating machine
US D407,751 S · Assignee: F. Zimmermann GmbH & Co. KG · Inventors: Zimmermann; Thomas
Overview
The published document from the USPTO: abstract, claims, description. Open it full size
Read the whole patent
Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 6, 1999. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended April 6, 2013.
- A design patent protects only how a product looks. We check US rights only.
FiledOctober 3, 1997
GrantedApril 6, 1999
Term endedApril 6, 2013
Application numberD/077549
Classification (CPC)—
Length8 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.