Date on which the trademark application was filed with TMO?

Butaphen was applied on 15 December 1975.

Who is the trademark proprietor?

Trademark application was filed by SOUTH INDIA RESEARCH INSTITUTE.

Trademark application is filed under which trademark class?

Trademark application has been filed under following classes.
5

Trademark application is at what stage of trademark process?

As per IP India, trademark application is on the following stage:
Registered.

What is the Listed Application ID of the Trademark?

Listed application Id of Butaphen is 310853.

Who filed the trademark on behalf of the proprietor?

Trademark attorney of the Butaphen is Kamath & Kamath.

Is the Trademark word, color or device mark?

Butaphen is a WORD as per IP India data.