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US3881279A Expired / Lapsed US ⏱️ 0.0 years remaining

Doorframes

Assignee: Individual
•
Filing: 1973-05-08
•
Granted: 1975-05-06
•
Expires: 1993-05-08
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Abstract

Abstract A doorframe or the like including a pair of stiles which are each composed of two elongated members transversely slidably adjustable to provide a variable width to the stiles and thus the doorframe.

Inventors

  • 👤 Charles S Kirton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:20
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/12; E06B1/18; E06B1/20

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 162 words
A stile of a door frame comprising: a first elongated member having a first web portion, a second elongated member having a second web portion, said first and second members being transversely and slidably adjustable to provide variable width to the stile, said first elongated member being channel-shaped in crosssection and comprising said first web portion and a pair of first flanges extending from said web portion adjacent each longitudinal edge thereof, one of said first flanges having an inwardly extending lip portion abutting and connected to said second web portion, and said second elongated member comprising said second web portion and a pair of second flanges extending from said web portion adjacent each longitudinal edge thereof, one of said second flanges extending from one side of said second web portion and the other of said second flanges extending from the other side of said second web portion, one of said second flanges having a lip portion abutting said first web portion.
Claim 2
Dependent Claim 162 words
A stile of a door frame comprising: a first elongated member having a first web portion, a second elongated member having a second web portion, said first and second members being transversely and slidably adjustable to provide variable width to the stile, said first elongated member being channel-shaped in crosssection and comprising said first web portion and a pair of first flanges extending from said web portion adjacent each longitudinal edge thereof, one of said first flanges having an inwardly extending lip portion abutting and connected to said second web portion, and said second elongated member comprising said second web portion and a pair of second flanges extending from said web portion adjacent each longitudinal edge thereof, one of said second flanges extending from one side of said second web portion and the other of said second flanges extending from the other side of said second web portion, one of said second flanges having a lip portion abutting said first web portion.
Claim 3
Dependent Claim 39 words
A stile as claimed in claim 1 in which the lip portion of said one flange of the second elongated member is outwardly lipped such that the web portions of the first and second elongated members extend substantially parallel.
Claim 4
Dependent Claim 20 words
A stile as claimed in claim 2 in which the other flange of the second elongated member is inwardly lipped.
Claim 5
Dependent Claim 12 words
A doorframe including a pair of stiles as claimed in claim 1.
Claim 6
Dependent Claim 31 words
A doorframe as claimed in claim 4 in which a top rail is provided for the doorframe and comprises elongated members similar to the firSt and second members of the stiles.

References Cited (Backward Citations)

US1715579A Cited
US1048988A Cited
US1995764A Cited
US3571995A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-05-05 1978-11-04 1979-05-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-05-05 1982-11-04 1983-05-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-05-05 1986-11-04 1987-05-06 $7700.00 Window Closed / Lapsed

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