Patent US3011929A successfully refreshed from Google Patents.
US3011929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral fiber product
Assignee: Owens Corning
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Filing: 1958-12-11
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Granted: 1961-12-05
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Stalego
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:32
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/29; Y10T428/2904; Y10T428/2905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN AN ARTICLE WHICH IS A MASS OF INTERMESHED VITREOUS FIBERS, WHICH FIBERS ARE BONDED TO ONE ANOTHER AT POINTS OF CONTACT, THE IMPROVEMENT OF A PH CONTROL MEDIUM ADHERED TO THE FIBERS, SAID PH CONTROL MEDIUM BEING PRESENT TO THE EXTENT OF FROM ABOUT 3 PERCENT TO ABOUT 10 PERCENT, BASED UPON THE TOTAL WEIGHT OF THE ARTICLE, AND COMPRISING A HARDENED ALKYD RESIN CARRIER MATERIAL AND, DISPERSED THEREIN, ZINC ACETATE AS AN ALKALI-NEUTRALIZING AGENT, THE ZINC ACETATE BEING PRESENT TO THE EXTENT OF FROM ABOUT 11/2 PERCENT TO ABOUT 5 PERCENT, BASED UPON THE TOTAL WEIGHT OF THE ARTICLE, AND SAID CARRIER BEING SOLUBLE IN WATER TO AN EXTENT SUFFICIENT TO RELEASE THE NEUTRALIZING AGENT AT A RATE WHICH IS AT LEAST SUBSTANTIALLY AS HIGH AS THAT REQUIRED TO NEUTRALIZE ALKALI LEACHED FROM THE VITREOUS FIBERS, BUT INSOLUBLE TO AN EXTENT SUCH THAT AT LEAST AN APPRECIABLE AMOUNT THEREOF REMAINS AFTER THE ARTICLE HAS BEEN SUBJECTED TO BOILING WATER FOR ONE HOUR.
Claim 2
Dependent Claim
164 words
IN AN ARTICLE WHICH IS A MASS OF INTERMESHED VITREOUS FIBERS, WHICH FIBERS ARE BONDED TO ONE ANOTHER AT POINTS OF CONTACT, THE IMPROVEMENT OF A PH CONTROL MEDIUM ADHERED TO THE FIBERS, SAID PH CONTROL MEDIUM BEING PRESENT TO THE EXTENT OF FROM ABOUT 3 PERCENT TO ABOUT 10 PERCENT, BASED UPON THE TOTAL WEIGHT OF THE ARTICLE, AND COMPRISING A HARDENED ALKYD RESIN CARRIER MATERIAL AND, DISPERSED THEREIN, ZINC ACETATE AS AN ALKALI-NEUTRALIZING AGENT, THE ZINC ACETATE BEING PRESENT TO THE EXTENT OF FROM ABOUT 11/2 PERCENT TO ABOUT 5 PERCENT, BASED UPON THE TOTAL WEIGHT OF THE ARTICLE, AND SAID CARRIER BEING SOLUBLE IN WATER TO AN EXTENT SUFFICIENT TO RELEASE THE NEUTRALIZING AGENT AT A RATE WHICH IS AT LEAST SUBSTANTIALLY AS HIGH AS THAT REQUIRED TO NEUTRALIZE ALKALI LEACHED FROM THE VITREOUS FIBERS, BUT INSOLUBLE TO AN EXTENT SUCH THAT AT LEAST AN APPRECIABLE AMOUNT THEREOF REMAINS AFTER THE ARTICLE HAS BEEN SUBJECTED TO BOILING WATER FOR ONE HOUR.
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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |