US2932587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored glass fibers
Assignee: L O F GLASS FIBERS Co
•
Filing: 1956-09-14
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Granted: 1960-04-12
•
Expires: 1976-09-14
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:39
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE METHOD OF COLORING GLASS FIBERS WHICH COMPRISES, PROVIDING A MASS OF GLASS FIBERS, PROVIDING AN AQUEOUS COLORING MATERIAL CONTAINING: PHENOL-FORMALDEHYDE RESIN (WATER SOLUBLE) GALLONS-- 1.25 PRUSSIAN BLUE (WATER SOLUBLE) -------------GRAMS-- 270 OXALIC ACID --------------------------------DO ---- 35 AMMONIA (NH4OH) ---------------------------QUART -- 1 WATER-SUFFICIENT TO MAKE 50 GALLONS. SPRAYING THE MASS WITH SAID COLORING MATERIAL, AND HEATING THE SPRAYED FIBERS TO REMOVE THE WATER OF SOLUTION AND CURE THE RESIN CONTAINED IN SAID COLORING MATERIAL AND BOND THE FIBERS TOGETHER IN THEIR POINTS OF INTERSECTION.
Claim 2
Independent Claim
84 words
THE METHOD OF COLORING GLASS FIBERS WHICH COMPRISES, PROVIDING A MASS OF GLASS FIBERS, PROVIDING AN AQUEOUS COLORING MATERIAL CONTAINING: PHENOL-FORMALDEHYDE RESIN (WATER SOLUBLE) GALLONS-- 1.25 PRUSSIAN BLUE (WATER SOLUBLE) -------------GRAMS-- 270 OXALIC ACID --------------------------------DO ---- 35 AMMONIA (NH4OH) ---------------------------QUART -- 1 WATER-SUFFICIENT TO MAKE 50 GALLONS. SPRAYING THE MASS WITH SAID COLORING MATERIAL, AND HEATING THE SPRAYED FIBERS TO REMOVE THE WATER OF SOLUTION AND CURE THE RESIN CONTAINED IN SAID COLORING MATERIAL AND BOND THE FIBERS TOGETHER IN THEIR POINTS OF INTERSECTION.
References Cited (Backward Citations)
US302544A
Cited
US2117371A
Cited
US2315329A
Cited
US2319142A
Cited
US2582919A
Cited
US2688580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |