US3832805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated outside steel doors
Assignee: Individual
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Filing: 1972-10-12
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Granted: 1974-09-03
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Expires: 1992-10-12
Abstract
Abstract A protective prefabricated outside metal door hingedly mounted within its own frame or casing as a unitary assembly. The assembly is adapted for operative mounting on the face of or within a permanently framed opening in the wall of the building. The frame of the opening may be of metal, wood, or other suitable material.
Inventors
- 👤 W Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:30
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
302 words
A prefabricated steel door in combination with a door frame installed in a door casing permanently mounted within a doorway opening through a building wall, said door frame comprising vertically disposed parallel side frame members interconnected at their top end by a cross member, all of said frame members being of angle section said steel door comprising vertically disposed side members, top and bottom cross members and vertically disposed laterally spaced apart bars, said side members of the door being of angle section matching the angle section of said parallel side members of said door frame said steel door side members and said vertically spaced apart bars permanently secured to said top and bottom cross members of said steel door, at least two parallel vertically spaced apart transverse bars permanently secured to both of said steel door side members and to said vertically disposed bars between said side door members, a lock housing comprising a front wall, top and bottom walls and a rear wall, said front and rear walls of said housing having aligned openings therethrough said front wall extending below said bottom wall of said lock housing and bent inwardly at right angles thereto and thereat permanently secured to one of said transverse bars and to an adjacent one of said vertically spaced apart bars, whereby a lock mechanism within said lock housing is rendered inaccessible and inoperable and whereby said downwardly extended front wall and the rearwardly beNt bottom end thereof renders a door and its handle disposed rearwardly of said steel door inaccessible. means secured to said one of said side door frame members and overlapping an adjacent portion of said lock housing to seal the space between said door frame member and the adjacent wall of said lock housing against insertion of lock-actuating means through said space.
Claim 2
Dependent Claim
302 words
A prefabricated steel door in combination with a door frame installed in a door casing permanently mounted within a doorway opening through a building wall, said door frame comprising vertically disposed parallel side frame members interconnected at their top end by a cross member, all of said frame members being of angle section said steel door comprising vertically disposed side members, top and bottom cross members and vertically disposed laterally spaced apart bars, said side members of the door being of angle section matching the angle section of said parallel side members of said door frame said steel door side members and said vertically spaced apart bars permanently secured to said top and bottom cross members of said steel door, at least two parallel vertically spaced apart transverse bars permanently secured to both of said steel door side members and to said vertically disposed bars between said side door members, a lock housing comprising a front wall, top and bottom walls and a rear wall, said front and rear walls of said housing having aligned openings therethrough said front wall extending below said bottom wall of said lock housing and bent inwardly at right angles thereto and thereat permanently secured to one of said transverse bars and to an adjacent one of said vertically spaced apart bars, whereby a lock mechanism within said lock housing is rendered inaccessible and inoperable and whereby said downwardly extended front wall and the rearwardly beNt bottom end thereof renders a door and its handle disposed rearwardly of said steel door inaccessible. means secured to said one of said side door frame members and overlapping an adjacent portion of said lock housing to seal the space between said door frame member and the adjacent wall of said lock housing against insertion of lock-actuating means through said space.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |