From the US gov trademark website (TESS)
Word Mark HARTMANN
Goods and Services (EXPIRED) IC 018. US 003. G & S: TRUNKS, MEN'S AND LADIES' HAND LUGGAGE CASES TRANSPORTABLE LEATHER, CANVAS OR FABRIC COVERED SHOE CASES FOR TRAVELING, TRANSPORTABLE LEATHER, CANVAS OR FABRIC COVERED HAT BOX CASES FOR TRAVELING, AND MOTOR LUGGAGE. FIRST USE: 19430500. USED IN ANOTHER FORM THE NAME "HARTMAN" WAS FIRST USED AS A TRADE-MARK BY APPLICANT'S PREDECESSORS INJANUARY 1920. FIRST USE IN COMMERCE: 19430500
Mark Drawing Code (5) WORDS, LETTERS, AND/OR NUMBERS IN STYLIZED FORM
Serial Number 71542761
Filing Date November 29, 1947
Current Filing Basis 1A
Original Filing Basis 1A
Registration Number 0508774
Registration Date April 19, 1949
Owner (REGISTRANT) HARTMANN COMPANY CORPORATION WISCONSIN RAILROAD STREET AND HAMILITON STREET RACINE WISCONSIN
Assignment Recorded ASSIGNMENT RECORDED
Prior Registrations 0130068;0211455
Type of Mark TRADEMARK
Register PRINCIPAL-2(F)
Affidavit Text SECT 15.
Renewal 1ST RENEWAL 19690419
Live/Dead Indicator DEAD
Hartmann was first in use in 1943 and trademarked 1949. Does it have the copyright symbol? It would help if you could post a picture of the case and a shot of the label.
Here is one for THE HARTMANN INTERNATIONAL
Word Mark THE HARTMANN INTERNATIONAL
Goods and Services (EXPIRED) IC 018. US 003. G & S: HAND LUGGAGE INCLUDING PULLMAN CASES, OVERNIGHT CASES, WEEKEND CASES, GARMENT CARRYING BAGS, SUIT CASES, UTILITY CASES, HAT BOXES, COSMETIC CASES, AND WARDROBE CASES. FIRST USE: 19630724. FIRST USE IN COMMERCE: 19630724
Mark Drawing Code (5) WORDS, LETTERS, AND/OR NUMBERS IN STYLIZED FORM
Serial Number 72175657
Filing Date August 23, 1963
Current Filing Basis 1A
Original Filing Basis 1A
Registration Number 0769773
Registration Date May 19, 1964
Owner (REGISTRANT) HARTMANN LUGGAGE COMPANY CORPORATION DELAWARE LEBANON TENNESSEE
Assignment Recorded ASSIGNMENT RECORDED
Prior Registrations 0211455;0508774
Type of Mark TRADEMARK
Register PRINCIPAL
Affidavit Text SECT 15.
Renewal 1ST RENEWAL 19850519
Live/Dead Indicator DEAD