KEYSTONE CARBON COMPANY – Trademark Portfolio

Entity Type: 03

KEYSTONE CARBON COMPANY holds 2 U.S. trademarks filed with the United States Patent and Trademark Office (USPTO), with a strong focus on Class 9 (Computers & Electronics) — 1 filings in this category. The portfolio also extends into Class 40 (Treatment & Processing) across 2 Nice Classification classes. Currently, 1 trademark is registered. Notable registered marks include KEYSTONE. The owner is based in ST. MARYS, PA.

1935 STATE STREET

ST. MARYS, PA 15857

2 Total Trademarks

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KEYSTONE
KEYSTONE
Registered 1995
LINISTOR
LINISTOR
Cancelled 1972

Trademark Classifications

KEYSTONE CARBON COMPANY's trademark portfolio spans 2 Nice Classification classes, reflecting the scope of goods and services protected under their brand portfolio.

9
Computers & Electronics (1 filing)

Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments

40
Treatment & Processing (1 filing)

Treatment of materials

Frequently Asked Questions

How many trademarks does KEYSTONE CARBON COMPANY have?

KEYSTONE CARBON COMPANY has 2 U.S. trademarks filed with the USPTO. Of these, 1 registered, 1 cancelled.

What trademark classes does KEYSTONE CARBON COMPANY file in?

KEYSTONE CARBON COMPANY files trademarks across 2 Nice Classification classes. The most active classes are Class 9 (Computers & Electronics), Class 40 (Treatment & Processing). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

What are KEYSTONE CARBON COMPANY's most well-known trademarks?

KEYSTONE CARBON COMPANY's registered trademark portfolio includes well-known marks such as KEYSTONE. These are among 1 currently registered trademark in the portfolio.

What is KEYSTONE CARBON COMPANY's trademark registration success rate?

KEYSTONE CARBON COMPANY has a 50% trademark registration rate, with 1 out of 2 resolved applications resulting in successful registration. Currently, 0 applications are pending review.