Expired, full termArchiveSolo inventor
Pipe wrapping machine
US 1,990,237 A · Inventors: LLOYD CLYDE T
Overview
6 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 February 5, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 5, 1952.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 16, 1933
GrantedFebruary 5, 1935
Term endedFebruary 5, 1952
Application number—
Classification (CPC)B65H81/08 +2 more
Length9 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.