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US4762564B1 - - Google Patents

Assignee: Devro Teepak Inc
•
Filing: 1987-03-13
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Granted: 1992-12-29
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Expires: 2007-03-13
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Abstract

No abstract record available.

Inventors

  • 👤 J Bridgeford Douglas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:50
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; C08B; C08B15/00; C08B15/05; C08B15/06; D; D01; D01F; D01F2/00; C08J2301/00; C08J2301/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T442/00; Y10T442/20; Y10T442/2861; Y10T442/2869

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) 1995-12-29 1996-06-29 1996-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-12-29 2000-06-29 2000-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-12-29 2004-06-29 2004-12-29 $7700.00 Window Closed / Lapsed

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