IP Library Granted Patent US 1,139,869
Granted Patent S1
US 1,139,869 · App. 29/893,147 · Granted Aug 4, 2026

Chain seedling heat mat

Inventor: Zhuo Rao (Dongguan City, CN)
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Quick Facts
Patent No.
US 1,139,869
App. No.
29/893,147
Granted
Aug 4, 2026
Kind
S1
Claims (1)

The ornamental design for a chain seedling heat mat as shown and described.

References Cited (9)
US 5547399A · Naghi · 1996 [cited by examiner]
US D509797S · Milan · 2005 [cited by examiner]
US 9686821B2 · Kiernan · 2017 [cited by examiner]
US D794568S · Wardenburg · 2017 [cited by examiner]
US 11450997B1 · Insalaco · 2022 [cited by examiner]
US 20020008101A1 · Hauschulz · 2002 [cited by examiner]
US 20110253702A1 · Regan · 2011 [cited by examiner]
US 20150312963A1 · Kiernan · 2015 [cited by examiner]
Amazon listing LUXBIRD 2 Pack Seedling Heat Mats with Digital Thermostat Controller, 10“ x 20.75” 30W for Seed Starting, Germination, Hydroponics, Brewing, Breeding, Greenhouses (LB-HT02) https://a.co/d/3Vhb430 First av… [cited by examiner]