Greetings Lindy,
Good advice. I found a record of the Trademark...
Typed Drawing
Word Mark    LIFETYME
Goods and Services    (CANCELLED) IC 013. US 009. G & S: Dies for Reloading Firearm Shells. FIRST USE: 19460900. FIRST USE IN COMMERCE: 19461000
Mark Drawing Code    (1) TYPED DRAWING
Serial Number    72102123
Filing Date    August 5, 1960
Current Filing Basis    1A
Original Filing Basis    1A
Registration Number    0722477
Registration Date    October 10, 1961
Owner    (REGISTRANT) KNEPP, PAUL C. DBA CARBIDE DIE & MFG. CO. UNKNOWN 15615 E. ARROW HIGHWAY Azusa CALIFORNIA
(LAST LISTED OWNER) Carbide Die & Manufacturing Co., Inc. CORPORATION CALIFORNIA Irwindale CALIFORNIA
Assignment Recorded    ASSIGNMENT RECORDED
Type of Mark    TRADEMARK
Register    PRINCIPAL
Affidavit Text    SECT 15. SECT 8 (6-YR).
Renewal    1ST RENEWAL 19830524
Live/Dead Indicator    DEAD
Cancellation Date    July 20, 2002
There is a record of a Paul Knepp in Arcadia. Might be the owner but the contact info is hidden. 
Another Paul Knepp in Irwindale is shown as deceased.
Cheers,
Dave