US Patent:
20200268042, Aug 27, 2020
Inventors:
David Scott Ognibene - San Francisco CA, US
International Classification:
A24D 3/04
A24D 3/02
A24D 3/06
Abstract:
A helical shaped filter made of biodegradable material with a helical shaped member made of biodegradable material, the helical shape having an S shaped cross section, the biodegradable capable of withstanding temperatures as high as one hundred and eighty degrees Fahrenheit, the helical shaped member being fitted into the end portion of a cigarette containing shredded botanical material, the helical shaped member having a wall thickness of approximately fifty thousandths of an inch, the helical shaped member having an overall length of approximately three quarters of an inch to one and one quarter of an inch, and the helical shaped member having an overall diameter of approximately three hundred thousandths of an inch. A preferred embodiment includes the biodegradable material is baked ground wheat, beet, rice, corn, lentil, or quinoa flour.