DAVIS #129.707

# 129.707................................................................1879
# 129.707................................................................1879

 

What happened to U.S. Patent dated April 15, 1867 ?

 

pdfpiw.uspto.gov

US Patent 63777   April 9, 1867

 

pdfpiw.uspto.gov 

Unable to locate US Patent 63778

 

pdfpiw.uspto.gov

US Patent 63779   April 16, 1867