Patent US4721220A successfully refreshed from Google Patents.
Patent FR1109940A successfully refreshed from Google Patents.
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FR1109940A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to aerosol filters, particularly for cigarettes, as well as to the process and machine for making them

Assignee: Liggett Group LLC
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Filing: 1954-08-12
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Granted: 1956-02-03
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Expires: 1974-08-12
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Abstract

No abstract record available.

Inventors

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-03 20:38
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; A24D3/0212; B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/18; B01J; B01J39/00; B01J39/08; B01J39/14; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092

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