Claes Oldenburg, the Swedish-born American Pop artist regarded for his monumental sculptures of daily objects, died on Monday at his household and studio in the SoHo area of Manhattan. He was 93. His demise was confirmed by Adriana Elgarresta, a spokeswoman for the Rate gallery in New York, which, together with the Paula Cooper Gallery, has lengthy represented him. Mr. Oldenburg entered the New York artwork scene in earnest in the late 1950s, embracing the viewers-participation “Happenings” then in vogue and expanding the boundaries of art with demonstrates that included points like street signals, wire-and-plaster clothes and even pieces of pie. His approach to day-to-day objects, efficiency and collaboration has…