Patent US2659613A successfully refreshed from Google Patents.
Patent US3728818A successfully refreshed from Google Patents.
US3728818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible sash windows
Assignee: CODE DESIGNS LTD GB
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Filing: 1971-02-04
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Granted: 1973-04-24
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Expires: 1991-02-04
Abstract
Abstract A window includes a window frame and a window sash that may be swung outwardly or doubled back to expose the outside window surface at a location convenient for cleaning. A metal frame surrounds the sash and includes upper and lower parts hinged together at a middle portion of the sash. The upper metal frame part is pivotally connected to the upper end of the sash, and the lower metal frame part is fixed to the window frame. A locking device is slidable into one position which locks the upper metal frame part to the window frame so that the sash may swing open relative to the metal frame. The locking device is slidable into another position which locks the sash to the upper metal frame part for inward swinging movement about the central hinges.
Inventors
- 👤 A Lovatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:45
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
249 words
A reversible sash window comprising a window frame, a window sash mounted in the frame, a metal frame covering the gap between the window sash and the window frame on the inside face of the window and having upper and lower parts connected together by a hinge, the upper part of the metal frame comprising a top member and side members which form upwardly extending elongated members and the lower part of the metal frame comprising a bottom member and side members which form downwardly extending elongated members, the downwardly extending elongated members being fixed to the adjacent vertical member of the window frame so that the lower part of the metal frame is immovably secured to the window frame, a metal strip fixed to the outside edge of each vertical member of the window sash adjacent to its top, a pivotal connection between the metal strip and the adjacent side member of the metal frame, and vertically adjustable locking bolts one at each side of the window sash adapted when in their upper position to lock the upper part of the metal frame to the window frame while permitting the window sash to be swung outwardly for ventilation without any part of the window sash projecting inwardly and adapted when in their lower position to wedge the sash against the upper part of the metal frame whereby the sash can be turned on the hinges which connect the upper part of the metal frame to the lower part.
Claim 2
Dependent Claim
249 words
A reversible sash window comprising a window frame, a window sash mounted in the frame, a metal frame covering the gap between the window sash and the window frame on the inside face of the window and having upper and lower parts connected together by a hinge, the upper part of the metal frame comprising a top member and side members which form upwardly extending elongated members and the lower part of the metal frame comprising a bottom member and side members which form downwardly extending elongated members, the downwardly extending elongated members being fixed to the adjacent vertical member of the window frame so that the lower part of the metal frame is immovably secured to the window frame, a metal strip fixed to the outside edge of each vertical member of the window sash adjacent to its top, a pivotal connection between the metal strip and the adjacent side member of the metal frame, and vertically adjustable locking bolts one at each side of the window sash adapted when in their upper position to lock the upper part of the metal frame to the window frame while permitting the window sash to be swung outwardly for ventilation without any part of the window sash projecting inwardly and adapted when in their lower position to wedge the sash against the upper part of the metal frame whereby the sash can be turned on the hinges which connect the upper part of the metal frame to the lower part.
Claim 3
Dependent Claim
69 words
A reversible window according to claim 1 wherein the metal frame is T shaped in cross section to provide an inwardly projecting rib and wherein the upper part of the metal frame includes a top member the rib of which overlies the upper edge of the top rail of the sash and side members the ribs of which are spaced from the adjacent vertical member of the window sash.
Claim 4
Dependent Claim
48 words
A reversible window according to claim 2 wherein the lower part of the metal frame has side members fixed to the adjacent vertical member of the window frame and a bottom member the rib of which is inclined to the angle of the cill and is fixed thereto.
Claim 5
Dependent Claim
44 words
A reversible window according to claim 1 wherein said sash is provided with a plate fixed thereto adjacent the path of each of said adjustable locking bolts, and wherein the lower end of each said bolt is bevelled for engagement with the said plate.
Claim 6
Dependent Claim
54 words
A reversible window according to claim 4 wherein the upper end of each bolt is suitably formed so as to engage in a recess provided in the top of the window frame to lock the upper part of the metal frame to the window frame while permitting the window sash to be swung outwardly.
Claim 7
Dependent Claim
12 words
A reversible window according to claim 4 wherein the bolts operate independently.
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |