Expired design patentArchive
Key pad for an alarm system
US D447,075 S · Assignee: Texcom Limited · Inventors: Roberts; Simon
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 August 28, 2001. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended August 28, 2015.
- A design patent protects only how a product looks. We check US rights only.
FiledDecember 8, 2000
GrantedAugust 28, 2001
Term endedAugust 28, 2015
Application numberD/133888
Classification (CPC)—
Length9 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.