Warner Bros. Classic Animation

1930-1931
The Warner Bros. Classic Cartoons started in 1930. This was only used in 1930 Looney Tunes cartoons. This version was phased out in 1931

1931–1936
1931-1933

At the time the Warner Bros. introduced its new logo. In 1931, the logo was been changed. This version of the logo was used in  the Looney Tunes cartoons until 1935 but not the rest of the Merrie Melodies cartoons until it was phased out in January 1936. From here, the logo deleted the "Vitaphone Flag" and replaced by the WB shield.

1933-1934
The logo was been altered in 1933. The logo is the same but with the diferent version of the WB Shield.

1934-January 1936
In 1934, the logo's byline was been renamed as "Warner Bros. Productions Corportation". This is the last version of the logo.

1936–1939
In 1936, the famous WB Shield was introduced. The byline was changed to "Vitaphone" and it was used until 1939.

1939-1940
In April 1939, "Vitaphone" was replaced by Warner Bros and "presents" was replaced by "present". The yellow brand version of the logo was used in April 1939 and its was retired in September 1939. The normal version was first used in Detouring America 

The cartoons in 1940 the copyright's year says MCMXXXX instead of MCMXL.

1940-1944
In July 1940, the shield was been updated for some reasons. During 1940, the copyright's year changed to MCMXL.

1944–1948
In 1944, the words "Pictures" and "Inc." were added to the byline and the shield has been updated.

1947–1954
In 1947, the shield has been updated.

1953–1963
In 1953, the background has been changed, the Bugs Bunny has been upgraded and the 1940s shield returned. It was the last opening rings version before DePatie-Freleng assumed the production of the shorts in 1963. In 1960, The Vitaphone/Vitagraph Legend was added to the "That's alll Folks" endings and the Vitaphone copyright was changed by the Warner Bros. Pictures copyright.

1962, 1963-1967
The Abstract WB logo was introduced in Chuck Jones' Now Hear This cartoon in 1962. When Warner Bros shut down the Original Termite Terrace studio in 1963, DePatie-Freleng assumed production of the shorts until 1967.

1967–1969
In 1967, to coincide with the merge of Warner Bros. with Seven Arts, this new logo appears at the beginning and end of all cartoon shorts produced until Warner Bros. Animation shuts down for good in 1969. In 1969, the openings have no longer the copyright.

Closings
Note: Starting from Hippydrome Tiger, the Vitaphone/Vitagraph legend is switched. Looney Tunes are now branded as "A VITAPHONE RELEASE", while Merrie Melodies gets the Vitagraph equivalent.

1979-1980
This logo was introduced in The Bugs Bunny/Road Runner Movie.

1987-1991
This logo was only seen on The Duxorcist and The Night of the Living Duck.

1991-2000
This logo was seen on cartoons made from 1991 until 2000. Also, the shield is colored like the Warner Bros. Pictures' 1998 logo (Except Carrotblanca and Little Go Beep).