Patent US396832A successfully refreshed from Google Patents.
Patent US2763573A successfully refreshed from Google Patents.
US2763573A
Expired / Lapsed
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Method of making a glass fiber article and article produced thereby
Assignee: Owens Corning
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Filing: 1952-06-24
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Granted: 1956-09-18
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Expires: 1972-06-24
Abstract
No abstract record available.
Inventors
- 👤 Lawrence P Biefeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:04
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/507; C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/323; H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/084; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2402; Y10T442/2926; Y10T442/2992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN ARTICLE OF MANUFACTURE WHEREIN MINERAL FIBERS ARE BONDED WITH A RESINOUS BONDING MATERIAL AND WHEREIN AN ANCHORING AGENT IS PRESENT IN CONTACT ON THE FIBER SURFACES TO IMPROVE THE BONDING RELATIONSHIP BETWEEN THE RESINOUS BONDING MATERIAL AND THE FIBERS, THE IMPROVEMENT WHEREIN THE ANCHORING AGENT, PRESENT AS A THIN FILM IN CONTACT WITH THE FIBER SURFACES BETWEEN THE RESINOUS BONDING AGENT AND THE FIBERS, IS FORMED OF THE REACTION PRODUCT OF A SILANE AND A POLYESTER RESIN WHEREIN THE POLYESTER RESIN IS FORMED OF A POLYBASIC ACID AND A POLYHYDRIC ALCOHOL IN WHICH THE LATTER IS PRESENT IN AN AMOUNT TO SUPPLY HYDROXYL GROUPS IN EXCESS OF THAT CAPABLE OF REACTION WITH THE POLYBASIC ACID, SAID ANCHORING AGENT DIFFERING FROM THE RESINOUS BONDING MATERIAL WHICH IS BONDED THROUGH THE ANCHORING AGENT TO THE FIBER SURFACES.
Claim 2
Dependent Claim
137 words
IN AN ARTICLE OF MANUFACTURE WHEREIN MINERAL FIBERS ARE BONDED WITH A RESINOUS BONDING MATERIAL AND WHEREIN AN ANCHORING AGENT IS PRESENT IN CONTACT ON THE FIBER SURFACES TO IMPROVE THE BONDING RELATIONSHIP BETWEEN THE RESINOUS BONDING MATERIAL AND THE FIBERS, THE IMPROVEMENT WHEREIN THE ANCHORING AGENT, PRESENT AS A THIN FILM IN CONTACT WITH THE FIBER SURFACES BETWEEN THE RESINOUS BONDING AGENT AND THE FIBERS, IS FORMED OF THE REACTION PRODUCT OF A SILANE AND A POLYESTER RESIN WHEREIN THE POLYESTER RESIN IS FORMED OF A POLYBASIC ACID AND A POLYHYDRIC ALCOHOL IN WHICH THE LATTER IS PRESENT IN AN AMOUNT TO SUPPLY HYDROXYL GROUPS IN EXCESS OF THAT CAPABLE OF REACTION WITH THE POLYBASIC ACID, SAID ANCHORING AGENT DIFFERING FROM THE RESINOUS BONDING MATERIAL WHICH IS BONDED THROUGH THE ANCHORING AGENT TO THE FIBER SURFACES.
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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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |