Who owns the HAMMERHEAD trademark?

The HAMMERHEAD trademark is owned by SIGMA DIVERSIFIED SPORTS, INC..

What class is the HAMMERHEAD trademark registered in?

The HAMMERHEAD trademark is registered in Class 028 (Games, toys & sporting goods).

What is the serial number for HAMMERHEAD?

The USPTO serial number for HAMMERHEAD is 73327557.

What is the registration number for HAMMERHEAD?

HAMMERHEAD is registered under USPTO registration number 0.

Sealvo

Home Search: HAMMERHEADHAMMERHEAD #73327557

Back

Updated Oct 2, 2026·37 searches this week

View on USPTO TSDR Find similar marks

HAM

USPTO Trademark Record

ABANDONED

HAMMERHEAD

SN 73327557·Reg 0·Filed Sep 11, 1981

Owner SIGMA DIVERSIFIED SPORTS, INC.

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

HAMMERHEAD (Serial No. 73327557), Registration No. 0, is a abandoned US trademark filed on Sep 11, 1981 by SIGMA DIVERSIFIED SPORTS, INC.. This trademark covers Class 028 (Games, toys & sporting goods).

Conflict Analysis

Full conflict analysis for HAMMERHEAD (SN 73327557) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HAMMERHEAD (Reg. #0) is an abandoned US trademark that was filed in 1981 but has since been abandoned. The mark covers Class 028 (Games, toys & sporting goods). Goods and services include Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees..

FILED

Sep 11, 1981

SERIAL

73327557

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusABANDONED

Filing DateSep 11, 1981

Serial Number73327557

Registration No.0