Time-to-clean-filter indicator system for a popcorn popping machine and method

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专利权人:

Daniel R. Kroeger

发明人:

Daniel R. Kroeger

申请号：

US11685332

公开号：

US08307756B1

申请日:

2007.03.13

申请国别(地区):

US

年份:

2012

代理人:

摘要：

An indicator system for use with a popcorn popping machine providing a sensory perceptible signal to a user that ventilation filters should be cleaned. The indicator system may automatically track an interval based on a prior filter cleaning or usage of the popcorn popping machine.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/