Loading inventors, assignments & file history…
Claims (1)
The ornamental design for a folding ladder, as shown and described.
Priority Claims (1)
CN 202430434399.9
· Jul 11, 2024
· national
References Cited (7)
US 4485892A
· Maloney
· 1984
[cited by examiner]
US 5762163A
· Kain
· 1998
[cited by examiner]
US 6347687B1
· Alim
· 2002
[cited by examiner]
US D644032S
· Eveleth
· 2011
[cited by examiner]
US D872876S
· Leng
· 2020
[cited by applicant]
US D903905S
· Leng
· 2020
[cited by examiner]
US D968107S
· Johnson
· 2022
[cited by examiner]