Weird Patent of the Day
Primer activated syphon flusher for toilets
A toilet flushing apparatus with an inherently leakproof syphon discharge through a toilet flush tube. Control may be by a pre-primed syphon, with both legs filled with water, or by a jet-primed syphon in which the discharge leg starts dry, with a floating flush valve for complete discharge of primer water.
Source: United States Patent and Trademark Office, www.uspto.gov. Official PDF: USPTO patent PDF. Also at Google Patents. The drawing on this page is a reduced copy of the official figure; see the original drawing.
