US Trademark Classification US20 Furniture 门廊秋千（020-773） Class 20 门廊秋千 020-773 Chinese 门廊秋千 English Porch swings Spanish Columpios de porche Term ID 020-773 Class 20 Type Goods Status Active · added, not since modified (A) Effective date 2007-02-15 Version 09-2007