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US4358910A Expired / Lapsed US ⏱️ 0.0 years remaining

Security gate

Assignee: Individual
•
Filing: 1980-07-07
•
Granted: 1982-11-16
•
Expires: 2000-07-07
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Abstract

Abstract A security gate for a window or other aperture of a building includes a grille which is hingedly mounted at one side to a frame member which is secured within the aperture. The ends of the bars of the grille opposite the hinge enters slots in part of the frame and are secured therein by a locking bar. The arrangement provides a secure closure for the opening yet permits egress from the interior of the building in the event of fire or other hazard.

Inventors

  • 👤 Terence J. Keating
  • 👤 Gordon T. Bond

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 01:39
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02; E06B9/04; E06B9/01

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 94 words
A security gate comprising a grille constituted by bars; at least two frame members which fit along opposite sides of an aperture, large enough for personal egress, in a wall, said frame members including a first frame member incorporating a hinge means mounting said grille, and a second frame member comprising a channel member which has slots for the reception of the ends of bars along another side of the grille; and a locking bar which locks into position within the channel member for securing the ends of the said bars within the slots.
Claim 2
Dependent Claim 94 words
A security gate comprising a grille constituted by bars; at least two frame members which fit along opposite sides of an aperture, large enough for personal egress, in a wall, said frame members including a first frame member incorporating a hinge means mounting said grille, and a second frame member comprising a channel member which has slots for the reception of the ends of bars along another side of the grille; and a locking bar which locks into position within the channel member for securing the ends of the said bars within the slots.
Claim 3
Dependent Claim 17 words
A security gate according to claim 1 wherein the channel member is disposed opposite the first member.
Claim 4
Dependent Claim 35 words
A security gate according to claim 2 wherein a channel as aforesaid is formed in a frame member extending along a side of the grille adjacent the side at which the grille is hingedly mounted.
Claim 5
Dependent Claim 99 words
A security gate comprising a rectangular frame having hinge members disposed along one side thereof and including means defining channels along the other sides of said frame; a grille which is hingedly mounted along the first side of the frame and is constituted by bars; means defining slots in said channels, said slots receiving respective ends of said bars whereby the ends of the bars extend into said channels; and a locking bar which is securable along one of said channels so as to secure the respective ends of the respective bars of the grille within said one channel.
Claim 6
Dependent Claim 99 words
A security gate comprising a rectangular frame having hinge members disposed along one side thereof and including means defining channels along the other sides of said frame; a grille which is hingedly mounted along the first side of the frame and is constituted by bars; means defining slots in said channels, said slots receiving respective ends of said bars whereby the ends of the bars extend into said channels; and a locking bar which is securable along one of said channels so as to secure the respective ends of the respective bars of the grille within said one channel.
Claim 7
Dependent Claim 113 words
A security gate comprising: (a) a grille constituted by bars; (b) a frame for fitment within an aperture, large enough for personal egress, in a wall, said frame comprising a first member providing a hinge mounting for said grille and a channel member having slots for the reception of ends of said bars remote from the hinge mounting, said channel member including end members each of which defines a locating slot; and, (c) a locking bar for engagement with said locating slots, said locating slots being positioned so that said locking bar lies within and along said channel member so as to secure the said ends of said bars within said channel member.
Claim 8
Dependent Claim 113 words
A security gate comprising: (a) a grille constituted by bars; (b) a frame for fitment within an aperture, large enough for personal egress, in a wall, said frame comprising a first member providing a hinge mounting for said grille and a channel member having slots for the reception of ends of said bars remote from the hinge mounting, said channel member including end members each of which defines a locating slot; and, (c) a locking bar for engagement with said locating slots, said locating slots being positioned so that said locking bar lies within and along said channel member so as to secure the said ends of said bars within said channel member.
Claim 9
Dependent Claim 149 words
A security gate comprising: (a) a grille constituted by bars; (b) a rectangular box frame comprising four side members; (c) hinge means for said grille, said hinge means being mounted on a first of said side members; (d) inner side members extending along a second, third and fourth of said side members, each inner side member forming with the respective second, third and fourth side member a respective channel; (e) means defining slots in each of said inner side members for the reception of respective ends of said bars into the respective channel; (f) means defining a locating slot in said frame at each end of at least one of said channels; and (g) at least one locking bar engageable in the said locating slots in said frame, whereby said locking bar is fixed to lie within said one channel and secures the respective ends of the bars therein.
Claim 10
Dependent Claim 149 words
A security gate comprising: (a) a grille constituted by bars; (b) a rectangular box frame comprising four side members; (c) hinge means for said grille, said hinge means being mounted on a first of said side members; (d) inner side members extending along a second, third and fourth of said side members, each inner side member forming with the respective second, third and fourth side member a respective channel; (e) means defining slots in each of said inner side members for the reception of respective ends of said bars into the respective channel; (f) means defining a locating slot in said frame at each end of at least one of said channels; and (g) at least one locking bar engageable in the said locating slots in said frame, whereby said locking bar is fixed to lie within said one channel and secures the respective ends of the bars therein.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-11-15 1986-05-17 1986-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-11-15 1990-05-17 1990-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-11-15 1994-05-17 1994-11-16 $7700.00 Window Closed / Lapsed

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