Ultrasonic cigarette-holder or pipe stem
Patent 4131119 Issued on December 26, 1978. Estimated Expiration Date: 
October 26, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 26, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3028864 3201338 3416540 InventorApplicationNo. 05/735278 filed on 10/26/1976US Classes:131/187, Cigar and cigarette holders131/333By electric, magnetic, or radioactive actionExaminersPrimary: Pellegrino, Stephen C.Attorney, Agent or FirmInternational ClassesA24F 13/04 (20060101)A24F 1/00 (20060101) A24F 13/00 (20060101) A24F 1/02 (20060101) B01D 51/08 (20060101) B01D 51/00 (20060101) Foreign Application Priority Data1976-07-20 FRAbstractThis cigarette-holder or pipe stem comprises a duct connecting the combustion area to the mouthpiece, and means for generating ultrasonic vibration directed across said duct, said means consisting essentially of a battery-operated integrated circuit operating as a power oscillator associated with a piezoelectric ceramic or nickel strip. | |
