Stanley Tools "Everlasting Chisel Type Study

Pre-Stanley
prior to 1911
G.E. Wood Tool Companyand Pat. dates12-26-05, 7-28-08, 7-23-09 & 8-24-09.

Type 1
1911 to 1920
New Britain, Conn &pat'd dates 12-26-05, 7-28-08,2-23-09,8-24-09

Type 2
1921
STANLEY within notched rectangle,sweetheart S.W. overlapping bottom of notched rectangle,Made in USA,U.S.Pats. 7-28-08, 2-23-09, 8-24-09

Type 3
1922 to 1924
STANLEY within notched rectangle,sweetheart S.W. touching bottom of rectangle,Made in USA,U.S.Pats. 7-28-08, 2-23-09, 8-24-09 ,Pat applied for

Type 4
1924 to ?
STANLEY within notched rectangle,sweetheart S.W. touching bottom of rectangle,Made in USA,U.S.Pats. 7-28-08, 2-23-09, 8-24-09, 5-6-24

Type 5
? to ?
STANLEY within notched rectangle,sweetheart S.W. touching bottom of rectangle,Made in USA,U.S.Pats.  5-6-24

Type 6
? to  ?
STANLEY within notched rectangle, Made in USA, U.S.Pat.  #1,493,176