US2994619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating glass fibers with a size comprising an alkenyl triacyloxy silane and a synthetic latex, and glass fibers so treated
Assignee: PPG Industries Inc
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Filing: 1958-08-01
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Granted: 1961-08-01
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Expires: 1978-08-01
Abstract
No abstract record available.
Inventors
- 👤 George E Eilerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:46
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962; Y10T428/2964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A METHOD OF TREATING GLASS FIBER STRANTS DURING THEIR FORMATION TO RENDER THEM MORE COMPATIBLE WITH RESINS WHICH COMPRISES APPLYING TO THE STRANDS A STABLE, AQUEOUS TREATING SOLUTION CONSISTING ESSENTIALLY OF WATER HAVING DISSOLVED THEREIN A COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Independent Claim
41 words
A METHOD OF TREATING GLASS FIBER STRANTS DURING THEIR FORMATION TO RENDER THEM MORE COMPATIBLE WITH RESINS WHICH COMPRISES APPLYING TO THE STRANDS A STABLE, AQUEOUS TREATING SOLUTION CONSISTING ESSENTIALLY OF WATER HAVING DISSOLVED THEREIN A COMPOUND REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2688007A
Cited
US2754237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |