Patent US2938737A successfully refreshed from Google Patents.
US2938737A
Expired / Lapsed
US
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Molded fibrous glass article
Assignee: Owens Corning
•
Filing: 1953-12-03
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Granted: 1960-05-31
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Expires: 1973-12-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:06
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/345; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; B29L2031/3008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF PRODUCING A MOLDED FIBROUS GLASS ARTICLE COMPRISING ASSEMBLING GLASS FIBERS WITH HEATCURABLE RESIN MATERIAL IN A MOLD, SAID ASSEMBLY OF FIBERS BEING ACCUMULATED TO THICKNESSES IN THE MOLD SUCH AS WILL ASSURE WRINKLE FREE SMOOTHNESS IN THE MOLDED ARTICLE, COMPRESSING SAID ASSEMBLY INTO THE DESIRED SHAPE, HEATING THE COMPRESSED MASS WHILE RETAINED IN THE DESIRED SHAPE TO CURE THE RESIN AND CAUSE BONDING OF THE POINTS OF FIBER CONTACT, AND WORKING THE SURFACE MASSES OF THE
Claim 2
Independent Claim
79 words
THE METHOD OF PRODUCING A MOLDED FIBROUS GLASS ARTICLE COMPRISING ASSEMBLING GLASS FIBERS WITH HEATCURABLE RESIN MATERIAL IN A MOLD, SAID ASSEMBLY OF FIBERS BEING ACCUMULATED TO THICKNESSES IN THE MOLD SUCH AS WILL ASSURE WRINKLE FREE SMOOTHNESS IN THE MOLDED ARTICLE, COMPRESSING SAID ASSEMBLY INTO THE DESIRED SHAPE, HEATING THE COMPRESSED MASS WHILE RETAINED IN THE DESIRED SHAPE TO CURE THE RESIN AND CAUSE BONDING OF THE POINTS OF FIBER CONTACT, AND WORKING THE SURFACE MASSES OF THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |