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US3477973A Expired / Lapsed US ⏱️ 0.0 years remaining

Room temperature curing organopolysiloxanes

Assignee: Wacker Chemical Corp
•
Filing: 1967-12-06
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Granted: 1969-11-11
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Expires: 1987-12-06
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Abstract

No abstract record available.

Inventors

  • 👤 Guenther Fritz Lengnick
  • 👤 Anthony Enrico Pepe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:09
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/14; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1896; Y; Y10; Y10S; Y10S528/00; Y10S528/901

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3109826A Cited
US3385727A Cited
US3338951A Cited
US3382193A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-11-10 1973-05-12 1973-11-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-11-10 1977-05-12 1977-11-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-11-10 1981-05-12 1981-11-11 $7700.00 Window Closed / Lapsed

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