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Synthetic smoking product
Patent #: 3943941
Issued on: 03/16/1976
Inventor: Boyd , et al.
Smoking mixture
Patent #: 4008723
Issued on: 02/22/1977
Inventor: Borthwick , et al.
Tobacco product
Patent #: 4027679
Issued on: 06/07/1977
Inventor: Kaswan
Portable conditioned air breathing pipe
Patent #: 4036224
Issued on: 07/19/1977
Inventor: Choporis , et al.
Lean charge ignition system
Patent #: 4061114
Issued on: 12/06/1977
Inventor: Christopher
Noncombustion system for the utilization of tobacco and other smoking materials
Patent #: 4141369
Issued on: 02/27/1979
Inventor: Burruss
Smoking device
Patent #: 4219032
Issued on: 08/26/1980
Inventor: Tabatznik , et al.
Simulated smoking device
Patent #: 4284089
Issued on: 08/18/1981
Inventor: Ray
Smoking materials
Patent #: 4286604
Issued on: 09/01/1981
Inventor: Ehretsmann , et al.
Device for tobacco consumption and method of making it
Patent #: 4286607
Issued on: 09/01/1981
Inventor: Claessens
Cigarette protector
Patent #: 4289149
Issued on: 09/15/1981
Inventor: Kyriakou
Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
Patent #: 4291711
Issued on: 09/29/1981
Inventor: Berger
Modified cellulosic smoking material and method for its preparation
Patent #: 4333484
Issued on: 06/08/1982
Inventor: Keritsis
Smokeable device
Patent #: 4340072
Issued on: 07/20/1982
Inventor: Bolt , et al.
Method for employing tobacco dust in a paper-making type preparation of reconstituted tobacco and the smoking material produced thereby
Patent #: 4341228
Issued on: 07/27/1982
Inventor: Keritsis , et al.
Method of making smoking articles
Patent #: 4347855
Issued on: 09/07/1982
Inventor: Lanzillotti , et al.
Smoking article
Patent #: 4391285
Issued on: 07/05/1983
Inventor: Burnett , et al.
Method for aromatizing tobacco smoke
Patent #: 4466451
Issued on: 08/21/1984
Inventor: Bonnet , et al.
Tar-free smoking devices
Patent #: 4474191
Issued on: 10/02/1984
Inventor: Steiner
Combustible carbon filter and smoking product
Patent #: 4481958
Issued on: 11/13/1984
Inventor: Rainer , et al.
Foamed, extruded, tobacco-containing smoking article and method of making same
Patent #: 4510950
Issued on: 04/16/1985
Inventor: Keritsis , et al.
Process of making tobacco pellets
Patent #: 4513756
Issued on: 04/30/1985
Inventor: Pittman , et al.
Cigarette
Patent #: 4570650
Issued on: 02/18/1986
Inventor: Sirota
Fire inhibiting tubular safety shield for a cigarette type smoking device and combination thereof
Patent #: 4585014
Issued on: 04/29/1986
Inventor: Fry
Smoking devices
Patent #: 4596258
Issued on: 06/24/1986
Inventor: Steiner
Foamed, extruded, tobacco-containing smoking article and method of making the same
Patent #: 4625737
Issued on: 12/02/1986
Inventor: Keritsis , et al.
Foamed, extruded, coherent multistrand smoking articles
Patent #: 4632131
Issued on: 12/30/1986
Inventor: Burnett , et al.
Cigarette holder
Patent #: 4637407
Issued on: 01/20/1987
Inventor: Bonanno , et al.
Flavor delivery system
Patent #: 4655229
Issued on: 04/07/1987
Inventor: Sensabaugh, Jr. , et al.
Filter cigarette
Patent #: 4677995
Issued on: 07/07/1987
Inventor: Kallianos , et al.
Pipe with replaceable cartridge
Patent #: 4708151
Issued on: 11/24/1987
Inventor: Shelar
Smoking article
Patent #: 4714082
Issued on: 12/22/1987
Inventor: Banerjee , et al.
Process for providing tobacco extender material
Patent #: 4724850
Issued on: 02/16/1988
Inventor: Graves, Jr.
Microporous materials in cigarette filter construction
Patent #: 4729391
Issued on: 03/08/1988
Inventor: Woods , et al.
Smoking article employing heat conductive fingers
Patent #: 4732168
Issued on: 03/22/1988
Inventor: Resce , et al.
Smoking article with tobacco jacket
Patent #: 4756318
Issued on: 07/12/1988
Inventor: Clearman , et al.
Aerosol flavor delivery system
Patent #: 4765347
Issued on: 08/23/1988
Inventor: Sensabaugh, Jr. , et al.
Smoking article with dual burn rate fuel element
Patent #: 4771795
Issued on: 09/20/1988
Inventor: White , et al.
Wrappers for specialty smoking devices
Patent #: 4779631
Issued on: 10/25/1988
Inventor: Durocher , et al.
Smoking article
Patent #: 4793365
Issued on: 12/27/1988
Inventor: Sensabaugh, Jr. , et al.
Smoking article
Patent #: 4966171
Issued on: 10/30/1990
Inventor: Serrano, et al.
Smoking article
Patent #: 4991606
Issued on: 02/12/1991
Inventor: Serrano, et al.
Methods and apparatus for making multiple component smoking articles
Patent #: 5024242
Issued on: 06/18/1991
Inventor: Garthaffner, et al.
Cigarette
Patent #: 5027837
Issued on: 07/02/1991
Inventor: Clearman, et al.
Metal carbide heat source
Patent #: 5040552
Issued on: 08/20/1991
Inventor: Schleich, et al.
Carbon heat source
Patent #: 5076296
Issued on: 12/31/1991
Inventor: Nystrom, et al.
Smoking article Patent #: 5159940
Issued on: 11/03/1992
Inventor: Hayward, et al.
August 12, 2012. 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.
