Patent US3833192A successfully refreshed from Google Patents.
Patent US4490953A successfully refreshed from Google Patents.
US4490953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drywall corner bracket
Assignee: Individual
•
Filing: 1981-10-13
•
Granted: 1985-01-01
•
Expires: 2001-10-13
Abstract
Abstract A metal corner bracket for use in drywall construction in corners on windows and archways to eliminate subsequent cracking at the corners.
Inventors
- 👤 Michael L. Meola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:17
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/06; E04F13/068; E04F2013/063
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
137 words
A bracket formed from a flat blank of metal for a corner of an arch formed by a jack and a header having thereon drywall panels affixed to the jack and header comprising: (a) a face portion having first and second coplanar legs extending at right angles to one another; (b) a first portion extending in a plane normal to the face portion and to the first leg; and (c) a second portion extending in a plane normal to the second leg; (d) said first portion and said second portion being integral with said face portion but formed by cutting and bending of the blank intermediate said first and second legs; wherein the first leg and the first portion are affixed to the header, and the second leg and the second portion are affixed to the jack.
Claim 2
Dependent Claim
137 words
A bracket formed from a flat blank of metal for a corner of an arch formed by a jack and a header having thereon drywall panels affixed to the jack and header comprising: (a) a face portion having first and second coplanar legs extending at right angles to one another; (b) a first portion extending in a plane normal to the face portion and to the first leg; and (c) a second portion extending in a plane normal to the second leg; (d) said first portion and said second portion being integral with said face portion but formed by cutting and bending of the blank intermediate said first and second legs; wherein the first leg and the first portion are affixed to the header, and the second leg and the second portion are affixed to the jack.
Claim 3
Dependent Claim
23 words
A bracket of claim 1 having a bead portion extending along the edge connecting the face portion with the first and second portions.
References Cited (Backward Citations)
US1674439A
Cited
US1979701A
Cited
US2274662A
Cited
US2442929A
Cited
US2663390A
Cited
US2821754A
Cited
US2854843A
Cited
US3451178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-01 | 1988-07-02 | 1989-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-01 | 1992-07-02 | 1993-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-01 | 1996-07-02 | 1997-01-01 | $7700.00 | Window Closed / Lapsed |