The Tallapoosa-Class cutters were designed as cruising cutters, capable of extremely long voyages for vessels of their size. Their hulls were reinforced for light ice-breaking. The Ossipee was actually classified as a river gunboat (WPR) while the Tallapoosa was classified as a patrol gunboat (WPG).
As built at Newport News Shipbuilding armed with four 6-pounders:
Ossipee during World War I as an ocean convoy escort armed with four 3"/50 guns:
Tallapoosa during World War II armed with two 3"/50, two 20mm, four K-guns, two "Moustraps" and depth charge racks: