US3158528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siliceous reinforced resins
Assignee: Owens Corning
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Filing: 1961-06-12
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Granted: 1964-11-24
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Brown Alfred Windsor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:47
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/40; C04; C04B; C04B20/00; C04B20/0008; C04B26/00; C04B26/02; C04B26/10; C08K13/00; C08K13/04; C08K7/00; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/251
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A HARDENABLE COMPOSITION CONSISTING ESSENTIALLY OF BETWEEN 20 AND 70% BY WEIGHT OF A CONTINUOUS PHASE (A) CONSISTING ESSENTIALLY OF A LIQUID SYNTHETIC RESIN, AND BETWEEN 30 TO 80% BY WEIGHT OF A DISCONTINUOUS PHASE (B) CONSISTING ESSENTIALLY OF BETWEEN 10 TO 70% BY WEIGHT OF GLASS FLAKES HAVING A THICKNESS OF BETWEEN 1 TO 20 MICRONS AND A DIAMETER OF BETWEEN 50 MICRONS AND THREE-QUARTERS OF AN INCH, AND BETWEEN 5 TO 80% BY WEIGHT OF MICA PARTICLES WHICH ARE SMALLER THAN SAID GLASS FLAKES, SAID MICA PARTICLES HAVING A THICKNESS OF BETWEEN 0.2 TO 3.0 MICRONS AND A DIAMETER OF BETWEEN 3 TO 450 MICRONS.
Claim 2
Dependent Claim
107 words
A HARDENABLE COMPOSITION CONSISTING ESSENTIALLY OF BETWEEN 20 AND 70% BY WEIGHT OF A CONTINUOUS PHASE (A) CONSISTING ESSENTIALLY OF A LIQUID SYNTHETIC RESIN, AND BETWEEN 30 TO 80% BY WEIGHT OF A DISCONTINUOUS PHASE (B) CONSISTING ESSENTIALLY OF BETWEEN 10 TO 70% BY WEIGHT OF GLASS FLAKES HAVING A THICKNESS OF BETWEEN 1 TO 20 MICRONS AND A DIAMETER OF BETWEEN 50 MICRONS AND THREE-QUARTERS OF AN INCH, AND BETWEEN 5 TO 80% BY WEIGHT OF MICA PARTICLES WHICH ARE SMALLER THAN SAID GLASS FLAKES, SAID MICA PARTICLES HAVING A THICKNESS OF BETWEEN 0.2 TO 3.0 MICRONS AND A DIAMETER OF BETWEEN 3 TO 450 MICRONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |