Patent US3585770A successfully refreshed from Google Patents.
US3585770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel door frame
Assignee: Maizler Iron Works Inc
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Filing: 1969-06-06
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Granted: 1971-06-22
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Expires: 1989-06-06
Abstract
Abstract A door frame assembly for installation around a passageway formed in an existing wall which includes a head frame and a pair of door jambs each door jamb being held in place by a pair of bottom anchors which engage the door jamb and are fastened to the outer surface of the surrounding walls and a clamping device positioned within each door jamb which may be adjusted to grip the adjacent wall surfaces.
Inventors
- 👤 Nathan Maizler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:34
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/56; E06B1/60; E06B1/6046; E06B1/6061; E06B3/00; E06B3/96; E06B3/988; E06B3/9885; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/4602
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
15 words
The assembly of claim 1 wherein said clamp means includes a pair of tension clips.
Claim 2
Dependent Claim
25 words
The assembly of claim 1 wherein said adjustment means comprises a screw which passes through aligned holes in said face plate and said door jamb.
Claim 3
Dependent Claim
56 words
The assembly of claim 1 wherein a housing for said tension clip means is interposed between said first portion of said tension clip means and said interior surface of said inward facing portion of said door jamb and said first portion of said tension clip means abuts and pivots about the interior surface of said housing.
Claim 4
Dependent Claim
21 words
The assembly of claim 4 wherein each of said door jambs is further secured to said adjacent wall by anchor means.
Claim 5
Dependent Claim
31 words
The assembly of claim 5 wherein said anchor means comprises hook means engaging the lip of said door jamb and fastening means for connecting said anchor means to said adjacent walls.
Claim 6
Dependent Claim
17 words
The assembly of claim 5 wherein said anchor means engages said door jamb below the midpoint thereof.
References Cited (Backward Citations)
FR1280069A
Cited
US3248833A
Cited
US3250049A
Cited
US3265427A
Cited
US3310927A
Cited
US3352074A
Cited
US3375627A
Cited
US3385004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |