USPTO trademark record

CAL GUARD

Dead mark · Owner MERCK & CO., INC. · Classes 35

Mark details

Owner: MERCK & CO., INC.
Serial number: 73170752
Registration number: 1117843
Status: EXPIRED (dead)
Classes: 35 (Advertising / retail / business services)
Filed: 1978-05-17
Registered: 1979-05-08
Goods / services: CONSULTING AND ANALYTICAL SERVICES PROVIDING COMPUTERIZED PREDICTIVE PERFORMANCE RESULTS OF WATER TREATMENT PROGRAMS FOR INDUSTRIAL AND UTILITY COOLING WATER SYSTEMS

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

Similar marks

Nearest marks in the register to CAL GUARD.

CALGUARDLive

Classes 1 (Chemicals) · CALFRAC WELL SERVICES LTD.

CALGUARDDead

Classes 5 (Pharmaceuticals) · World Nutrition, Inc.

CAL-GUARDDead

Classes 3 (Cosmetics / cleaning) · ANSCOTT CHEMICAL INDUSTRIES, INC.

CAL-GUARDDead

Classes 5 (Pharmaceuticals) · R.P. SCHERER CORPORATION

CALGUARDDead

Classes 35 (Advertising / retail / business services) · MERCK & CO., INC.

Screen your own name

A fast first-pass screen against the USPTO federal register — sound-alikes, look-alikes, and same or related classes, in plain English. Free, no signup.

Screen a name — free · Start a free watch