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Patent US2550465A successfully refreshed from Google Patents.
US2550465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating material
Assignee: Owens Corning
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Filing: 1948-07-29
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Granted: 1951-04-24
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Expires: 1968-07-29
Abstract
No abstract record available.
Inventors
- 👤 Florian T Gorski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/12; C04B26/122; C04B2111/00; C04B2111/90; C04B2111/92; Y; Y10; Y10S; Y10S264/00; Y10S264/53; Y10T; Y10T428/00; Y10T428/249921; Y10T428/29; Y10T428/2904; Y10T428/2905; Y10T428/31504; Y10T428/31551; Y10T428/31641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AN ARTICLE OF MANUFACTURE COMPRISING A MASS OF GLASS FIBERS, AN INSOLUBLE AND INFUSIBLE RESINOUS MATERIAL BONDING THE FIBERS AT THEIR INTERSECTIONS TO FORM THE FIBERS INTO AN INTEGRATED POROUS BODY, AND A THERMOPLASTIC RESIN IMPREGNATING THE BONDED MASS OF GLASS FIBERS TO COAT THE FIBERS SUBSTANTIALLY THROUGHOUT THEIR LENGTHS.
Claim 2
Dependent Claim
50 words
AN ARTICLE OF MANUFACTURE COMPRISING A MASS OF GLASS FIBERS, AN INSOLUBLE AND INFUSIBLE RESINOUS MATERIAL BONDING THE FIBERS AT THEIR INTERSECTIONS TO FORM THE FIBERS INTO AN INTEGRATED POROUS BODY, AND A THERMOPLASTIC RESIN IMPREGNATING THE BONDED MASS OF GLASS FIBERS TO COAT THE FIBERS SUBSTANTIALLY THROUGHOUT THEIR LENGTHS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |