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US4330147A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking bar for doors from the inside of dwellings

Assignee: Individual
•
Filing: 1980-08-06
•
Granted: 1982-05-18
•
Expires: 2000-08-06
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Abstract

Abstract This locking bar device enables a person to further secure a door against intruders, when the user is inside of his or her dwelling, and it consists primarily of a pair of brackets installed on the door jambs, that have steel pins, which receive a horizontal bar. The device further includes a key-operated lock, and the structure is such, that it will withstand enormous pressure.

Inventors

  • 👤 Herbert J. Nolen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:22
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/003; Y; Y10; Y10T; Y10T292/00; Y10T292/23

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 79 words
A locking bar for doors, comprising, in combination, a pair of adjustable rails, a pair of latching brackets received in the door jambs, between which a door is supported for latching and holding said pair of adjustable rails against forceful pressure against the outside of said door, and a bar removably received between said pair of adjustable rails and said door for rendering said pair of adjustable rails secure in their latching engagement with said pair of latching brackets.
Claim 2
Dependent Claim 79 words
A locking bar for doors, comprising, in combination, a pair of adjustable rails, a pair of latching brackets received in the door jambs, between which a door is supported for latching and holding said pair of adjustable rails against forceful pressure against the outside of said door, and a bar removably received between said pair of adjustable rails and said door for rendering said pair of adjustable rails secure in their latching engagement with said pair of latching brackets.
Claim 3
Dependent Claim 81 words
The combination according to claim 1, wherein each end of said pair of adjustable rails includes a right angle leg integral of an end, and each of said right angle legs is removably received in a slot extending through from one longitudinal side edge to the opposite longitudinal side edge of a plate comprising each of said pair of latching brackets, and said pair of latching brackets are, one each, secured by screw fastener and pin means in said door jambs.
Claim 4
Dependent Claim 59 words
The combination according to claim 2, wherein said pin means comprise a plurality, each of which is fixedly secured, at one end, to one side of said plates and each extends through the slot of said plates, and the opposite ends of said plurality of pins are fixedly secured in their respective door jamb cavities by suitable fastening means.
Claim 5
Dependent Claim 88 words
The combination according to claim 3, wherein one of said plurality of pins in each of said pair of latching brackets is removably received in an "L"-shaped slot in said legs for holding said pair of adjustable rails in place, and a leaf spring is secured, at each end, to a pair of said plurality of pins in said plates, and each of said leaf springs urges against the end of one of said respective legs, so as to keep said pair of adjustable rails in latched position.

References Cited (Backward Citations)

US1889753A Cited
US2503503A Cited
US3352587A Cited
US3809417A Cited
US4017104A Cited
US4067598A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-05-17 1985-11-16 1986-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-05-17 1989-11-16 1990-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-05-17 1993-11-16 1994-05-18 $7700.00 Window Closed / Lapsed

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