DescriptionTightrope Mike Connors 1960 (cropped).JPG
Photo of Leigh Snowden (left) and Claire Kelly with Mike Connors, the star of the short-lived television program Tightrope. The program was very popular but a disagreement between the network and the show's sponsor led to its demise. CBS wanted to schedule the program in a later time slot; the sponsor didn't agree. When the network said it intended to move the show to the later hour without the sponsor's consent, the sponsor backed out of the program.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.