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US3731430A Expired / Lapsed US ⏱️ 0.0 years remaining

Window unit

Assignee: PH Plastics Inc
•
Filing: 1971-01-13
•
Granted: 1973-05-08
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Expires: 1991-01-13
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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 02:01
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)

US2192776A Cited
US3256641A Cited
US3483658A Cited
US3491584A Cited

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

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