Claud D. Curlin, 64, public affairs director of Maryland's Department of Economic and Community Development since 1972, died Friday at Washington Adventist Hospital following a heart attack.

Mr. Curlin was a native of Pine Bluff, Ark. He worked as a reporter and editor for a number of newspapers in the South, including the Arkansas Gazette, and for the Associated Press before coming to Washington in 1945.

He spent five years as administrative assistant to former Rep. Brooks Hays (D-Ark.), before entering public relations work in 1950.

Among the positions he held were those of information director for the National Coal Policy Conference and the National Cotton Council.

Mr. Curlin was active in Demecratic Party politics and had served from 1966 to 1970 as a member of the Prince Ddoge's Democratic Central Committee.

He was a member of the Maryland Historical Trust and had belonged to the National Press Club.

He served in the Merchant Marine during World War II.

His is survived by his son, Jon, of the home in Takoma Park, and a sister, Mrs. C. K. Elliott Jr., and a brother, George, both of Pine Bluff.

The family suggests that expressions of sympatthy be in the form of contributions to Children's Hospital.