The devices would listen for instructions and interact with homeowners to switch lights on and off or turn on household appliances upon a simple vocal command.
The patent describes devices that would turn their heads towards users and listen to what they are saying, before sending commands to remote computer servers.
The three-year old patent was spotted recently by the legal technology firm SmartUp, BBC News reported.
According to the patent, the toys would include microphones, speakers, cameras and motors as well as a wireless connection to the internet.
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It suggests the toys could be used to control a wide range of devices, from televisions and DVD players to home thermostats, motorised window curtains and lights.
A Google spokesperson said the company files patent on a variety of ideas that its employees come up with.
"Some of those ideas later mature into real products or services, some don't," she said.