US5724705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door security apparatus
Assignee: Individual
•
Filing: 1996-05-09
•
Granted: 1998-03-10
•
Expires: 2016-05-09
Abstract
Abstract A door security device for use in securing a door against unauthorized entry. The device includes a protrusion which can be mounted to the hinge side of a door or to the hinge side of a door frame and can be received within a recess in the opposite door or door frame. The protrusion in received by the recess to prevent the door from being removed by removal of a hinge pin.
Inventors
- 👤 David H. Hauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:18
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/0018; E05D11/0027; E05D2011/0036; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
138 words
A door security device for use in securing a door against unauthorized entry, the door having a hinge edge having hinges for interconnecting the door to a doorway hinge side, the security device comprising: a pin having an elongated body with an exposed portion and a threaded portion, said threaded portion being adapted to be threaded into the hinge edge or hinge side; a cavity adapted to be formed in the other of the hinge edge or hinge side for receipt of the exposed portions, the cavity is defined by an elongated body having a partially threaded exterior and an interior which is open to receipt of the exposed portion; the exposed portion being adapted to be received within the cavity once the door is closed to prevent opening of the door by removal of the hinge pins.
Claim 2
Dependent Claim
138 words
A door security device for use in securing a door against unauthorized entry, the door having a hinge edge having hinges for interconnecting the door to a doorway hinge side, the security device comprising: a pin having an elongated body with an exposed portion and a threaded portion, said threaded portion being adapted to be threaded into the hinge edge or hinge side; a cavity adapted to be formed in the other of the hinge edge or hinge side for receipt of the exposed portions, the cavity is defined by an elongated body having a partially threaded exterior and an interior which is open to receipt of the exposed portion; the exposed portion being adapted to be received within the cavity once the door is closed to prevent opening of the door by removal of the hinge pins.
Claim 3
Dependent Claim
39 words
The door security device of claim 1, wherein the pin member elongated body includes a flange separating the exposed portion and the threaded portion, the flange facilitates attachment of the pin member to the hinge side of the door.
Claim 4
Dependent Claim
31 words
The door security device of claim 2, wherein the flange includes flats for receipt of a tool to facilitate threading of the pin member into the hinge side of the door.
Claim 5
Dependent Claim
16 words
The door security device of claim 1, wherein the exposed portion has a pointed free end.
Claim 6
Dependent Claim
34 words
The door security device of claim 1, wherein the cavity includes a flange which has flats for receipt of a tool to facilitate threading the cavity end into the hinge side of the door.
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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) | 2001-03-09 | 2001-09-08 | 2002-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-03-09 | 2005-09-08 | 2006-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-03-09 | 2009-09-08 | 2010-03-10 | $7700.00 | Window Closed / Lapsed |