US4553364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window sash and frame molded of fibrous material
Assignee: Owens Corning Fiberglas Technology Inc
•
Filing: 1984-11-19
•
Granted: 1985-11-19
•
Expires: 2004-11-19
Abstract
Abstract Window frames and sashes are molded of fabricated fibrous wool impregnated with a binder and coated with a resin which soaks into the surface to form a strong protective skin.
Inventors
- 👤 Wesley E. Legg
- 👤 Russell L. Ault
- 👤 Richard A. Mott
- 👤 Alan R. Leewood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:30
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/06; E06B3/08; E06B3/20; E06B3/205; Y; Y10; Y10S; Y10S49/00; Y10S49/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
88 words
A window comprising a generally rectangular frame and a generally rectangular sash therein, the frame and sash each having straight top, bottom, and opposite side members, each of said members being made of glass wool impregnated with a binder, the binder-impregnated glass wool having a density of less than twenty pounds per cubic foot, each of said members having resin in addition to the binder incorporated in outer surface portions thereof and completely around its cross-sectional periphery, and each of said members being visually solid in cross section.
Claim 2
Dependent Claim
88 words
A window comprising a generally rectangular frame and a generally rectangular sash therein, the frame and sash each having straight top, bottom, and opposite side members, each of said members being made of glass wool impregnated with a binder, the binder-impregnated glass wool having a density of less than twenty pounds per cubic foot, each of said members having resin in addition to the binder incorporated in outer surface portions thereof and completely around its cross-sectional periphery, and each of said members being visually solid in cross section.
Claim 3
Dependent Claim
66 words
A window as claimed in claim 1 wherein at least one member of the sash has blind holes, for the reception of screws, provided therein at desired locations after assembly of the respective top, bottom, and opposite side members into the sash and the portions thereof defining the blind holes have resin therein in addition to the binder to provide secure anchoring respectively for the screws.
Claim 4
Dependent Claim
23 words
A window as claimed in claim 1 wherein said resin in outer surface portions of each of said members is injected under pressure.
Claim 5
Dependent Claim
75 words
A generally rectangular window sash comprising straight top, bottom, and opposite side members, each of said members being made of glass wool impregnated with a binder, the binder-impregnated glass wool having a density of less than twenty pounds per cubic foot, each of said members having resin in addition to the binder incorporated in outer surface portions thereof and completely around its cross-sectional periphery, and each of said members being visually solid in cross section.
Claim 6
Dependent Claim
75 words
A generally rectangular window sash comprising straight top, bottom, and opposite side members, each of said members being made of glass wool impregnated with a binder, the binder-impregnated glass wool having a density of less than twenty pounds per cubic foot, each of said members having resin in addition to the binder incorporated in outer surface portions thereof and completely around its cross-sectional periphery, and each of said members being visually solid in cross section.
Claim 7
Dependent Claim
65 words
A window sash as claimed in claim 4 wherein at least one of the members has blind holes, for the reception of screws, provided therein at desired locations after assembly of the top, bottom, and opposite side members into the sash and the portions thereof defining the blind holes have resin therein in addition to the binder to provide secure anchoring respectively for the screws.
Claim 8
Dependent Claim
24 words
A window sash as claimed in claim 4 wherein said resin in outer surface portions of each of said members is injected under pressure.
References Cited (Backward Citations)
US1867575A
Cited
US2817619A
Cited
US3220062A
Cited
US3328086A
Cited
US3403488A
Cited
US3498001A
Cited
US4169180A
Cited
US4224774A
Cited
US4433517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-11-18 | 1989-05-20 | 1989-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-18 | 1993-05-20 | 1993-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-18 | 1997-05-20 | 1997-11-19 | $7700.00 | Window Closed / Lapsed |