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US2984586A Expired / Lapsed US ⏱️ 0.0 years remaining

Treatment of glass fibers with 4, 4'-bis(p-hydroxyphenyl)-pentanoic acid

Assignee: Columbian Rope Co
•
Filing: 1959-12-30
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Granted: 1961-05-16
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Expires: 1979-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Archie W Koon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 14:13
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/188; C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/25; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 26 words
THE METHOD OF PRODUCING COATED GLASS FIBERS COMPRISING PASSING A GLASS FIBER THROUGH A SOLUTION OF 4,4''BIS-(P-HYDROXYPHENYL)-PENTANOIC ACID AND THEREAFTER BAKING SAID SOLUTION ON SAID FIBER.
Claim 2
Independent Claim 26 words
THE METHOD OF PRODUCING COATED GLASS FIBERS COMPRISING PASSING A GLASS FIBER THROUGH A SOLUTION OF 4,4''BIS-(P-HYDROXYPHENYL)-PENTANOIC ACID AND THEREAFTER BAKING SAID SOLUTION ON SAID FIBER.

References Cited (Backward Citations)

US2933520A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-05-15 1964-11-14 1965-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-05-15 1968-11-14 1969-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-05-15 1972-11-14 1973-05-16 $7700.00 Window Closed / Lapsed

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