Patent US3731430A successfully refreshed from Google Patents.
US3731430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window unit
Assignee: PH Plastics Inc
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Filing: 1971-01-13
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Granted: 1973-05-08
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Expires: 1991-01-13
Abstract
Abstract In a single or double glazed horizontal or vertical sliding type window unit, a removable header or jamb track structure is disclosed wherein detent means having a plurality of outwardly projecting serrations which are inserted into grooves located in the flanges of a channel-shaped window frame member to retain by means of a lip the movable pane receiving members within the opening in the channel-shaped window frame. The window frame and the detent means are also adapted to receive moulded window frame coverings. The movable pane receiving members used in the header of an horizontal sliding type window unit are interchangeable with the movable pane receiving member used in the jamb of a vertical type window unit and vice versa.
Inventors
- 👤 D Dallaire
- 👤 R Dallaire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:02
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4681
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
240 words
In combination, a wooden window frame, said frame having an inner member, an outer member, and a base member joined together to form a channel-shaped opening having a bottom and side edges, said inner member and said outer member having identical cross sections and being so placed as to form mirror images of each other, and a pane receiving structure comprising a pair of detent means having a cross-section of generally L-shape, one end of each of said detent means having a plurality of outwardly projecting serrations extending throughout its length and adapted to be inserted in a groove formed in said inner and outer members and located in each of the two side edges of the said channel-shaped opening and extending throughout its length, the other end of each of said detent means forming a lip, a movable pane engaging member retained in position by said detent means, and resilient means mounted in said opening and biasing said pane engaging member away from said bottom, said movable pane engaging member having a pair of horizontal flanges underlying said two lips to retain said movable receiving member within said channel-shaped opening, wherein the lip of the said detent means extends away from the said movable pane opening member to form a ledge which projects into a groove located adjacent the outward corner of the channel shaped opening and which ledge is adapted to receive a window frame covering fastening means.
Claim 2
Dependent Claim
240 words
In combination, a wooden window frame, said frame having an inner member, an outer member, and a base member joined together to form a channel-shaped opening having a bottom and side edges, said inner member and said outer member having identical cross sections and being so placed as to form mirror images of each other, and a pane receiving structure comprising a pair of detent means having a cross-section of generally L-shape, one end of each of said detent means having a plurality of outwardly projecting serrations extending throughout its length and adapted to be inserted in a groove formed in said inner and outer members and located in each of the two side edges of the said channel-shaped opening and extending throughout its length, the other end of each of said detent means forming a lip, a movable pane engaging member retained in position by said detent means, and resilient means mounted in said opening and biasing said pane engaging member away from said bottom, said movable pane engaging member having a pair of horizontal flanges underlying said two lips to retain said movable receiving member within said channel-shaped opening, wherein the lip of the said detent means extends away from the said movable pane opening member to form a ledge which projects into a groove located adjacent the outward corner of the channel shaped opening and which ledge is adapted to receive a window frame covering fastening means.
Claim 3
Dependent Claim
16 words
The combination of claim 1 wherein said resilient means comprises one or more resilient foam strips.
Claim 4
Dependent Claim
17 words
The combination of claim 1 wherein the resilient means is integral with a movable pane engaging member.
Claim 5
Dependent Claim
23 words
A combination as claimed in claim 1 wherein the movable pane engaging member is adapted to receive one side of the glass pane.
Claim 6
Dependent Claim
35 words
A combination as claimed in claim 1 wherein the movable pane engaging member is adapted to receive a side rail pane member and wherein the resilient means is integral with said movable pane engaging member.
Claim 7
Dependent Claim
22 words
A combination as claimed in claim 1 wherein the exposed surfaces of the wooden window frame are covered with a plastic extrusion.
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) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |