Date on which the trademark application was filed with TMO?

Plus was applied on 24 October 1994.

Who is the trademark proprietor?

Trademark application was filed by AS ABOVE.

Trademark application is filed under which trademark class?

Trademark application has been filed under following classes.
9

Trademark application is at what stage of trademark process?

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

What is the Listed Application ID of the Trademark?

Listed application Id of Plus is 643793.

Who filed the trademark on behalf of the proprietor?

Trademark attorney of the Plus is Thakur & Co.

Is the Trademark word, color or device mark?

Plus is a WORD as per IP India data.