Expired, full termArchiveSolo inventor
Method of producing animated motion pictures
US 2,444,729 A · Inventors: DOUGLASS CROCKWELL
Overview
The published document from the USPTO: abstract, claims, description and drawings. 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 July 6, 1948. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 6, 1965.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 16, 1944
GrantedJuly 6, 1948
Term endedJuly 6, 1965
Application number—
Classification (CPC)G03B15/08 +1 more
Length6 pages
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.