Expired, full termArchiveSolo inventor
Coupling device for building structures
US 2,540,468 A · Inventors: ANDERSON GEORGE W
Overview
1 drawing sheet
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 6, 1951. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 6, 1968.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 12, 1949
GrantedFebruary 6, 1951
Term endedFebruary 6, 1968
Application number—
Classification (CPC)E04B1/6141 +1 more
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.