AMERICAN FILTRONA CORPORATION
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 01, 1989 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 487 Total Citation Count
- Aug 23, 1978 Earliest Filing
- 14 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4784632 Tobacco smoke filter and method and apparatus for making sameExpiredSep 12, 86Nov 15, 88[A24D]
4637409 Tobacco smoke filter and method and apparatus for making sameExpiredMay 07, 81Jan 20, 87[A24D]
4594162 Pleated filter and method and apparatus for fabricating sameExpiredFeb 13, 84Jun 10, 86[B01D]
4579637 Method and apparatus for separating impurities from low conductivity liquidsExpiredJan 10, 84Apr 01, 86[B03C]
4423744 Tobacco smoke filter contoured to provide undiluted air flow and method and apparatus for manufacturing sameExpiredDec 23, 81Jan 03, 84[A24D]
4291711 Tobacco smoke filter providing tobacco flavor enrichment, and method for producing sameExpiredMar 27, 79Sep 29, 81[A24D]
4286005 Ink reservoir element for use in a marking instrument, and method and apparatus for producing sameExpiredMar 05, 79Aug 25, 81[B43K, B32B]
Top Inventors for This Owner
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