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US5432876C1 Expired / Lapsed US ⏱️ 0.0 years remaining

Illumination devices and optical fibres for use therein

Assignee: 3M Co
•
Filing: 1992-10-19
•
Granted: 2002-05-21
•
Expires: 2012-10-19
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Abstract

No abstract record available.

Inventors

  • 👤 Roger H Appeldorn
  • 👤 Alan G Hulme-Lowe
  • 👤 Michael C Lea

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 01:42
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/26; G02B6/28; G02B6/2804; G02B6/2817; G02B6/0001; G02B6/0005; G02B6/001; F; F21; F21V; F21V2200/00; F21V2200/10; F21V2200/15; Y; Y10; Y10S; Y10S385/00; Y10S385/901

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-05-20 2005-11-19 2006-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-05-20 2009-11-19 2010-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-05-20 2013-11-19 2014-05-21 $7700.00 Window Closed / Lapsed

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