Patent US4324079A successfully refreshed from Google Patents.
US4324079A
Expired / Lapsed
US
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Cornerbead and corner clip
Assignee: Phillips Manufacturing Co
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Filing: 1979-08-15
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Granted: 1982-04-13
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Expires: 1999-08-15
Abstract
Abstract An elongate formed and punched sheet metal cornerbead, for use on outside corners, adapted to be easily cut into individual wallboard corner clips, for use on inside corners.
Inventors
- 👤 Robert J. Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:21
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/02; E04F13/04; E04F13/06; E04F2013/063
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
147 words
A cornerbead comprising an elongate straight formed sheet of metal adapted to be easily cut into a plurality of sheet metal clips, said cornerbead consisting essentially of a bead section and two opposed flat flanges disposed at about an 80° angle therebetween, at least one of said flanges having a plurality of substantially uniformly repetitive openings, said openings including a plurality of elongate slots adapted for simplifying the making of preplanned cuts for converting portions of said cornerbead into short corner clips, said slots including a repetitive pattern of laterally extending slots, said laterally extending slots being spaced outward from said bead section and inward from the outer edge of said flange, said outer edge being uninterrupted throughout the length of said corner bead, wherein said elongate slots also include a repetitive pattern of longitudinally extending slots disposed between at least some of said laterally extending slots.
Claim 2
Dependent Claim
147 words
A cornerbead comprising an elongate straight formed sheet of metal adapted to be easily cut into a plurality of sheet metal clips, said cornerbead consisting essentially of a bead section and two opposed flat flanges disposed at about an 80° angle therebetween, at least one of said flanges having a plurality of substantially uniformly repetitive openings, said openings including a plurality of elongate slots adapted for simplifying the making of preplanned cuts for converting portions of said cornerbead into short corner clips, said slots including a repetitive pattern of laterally extending slots, said laterally extending slots being spaced outward from said bead section and inward from the outer edge of said flange, said outer edge being uninterrupted throughout the length of said corner bead, wherein said elongate slots also include a repetitive pattern of longitudinally extending slots disposed between at least some of said laterally extending slots.
Claim 3
Dependent Claim
24 words
A cornerbead as defined in claim 1 wherein said longitudinal slots are repetitiously disposed in two of every three spaces between said lateral slots.
Claim 4
Dependent Claim
32 words
A cornerbead as defined in claim 2 wherein a small nail hole is disposed near the outer edge of said flange in every said space in which there is no longitudinal slot.
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) | 1985-04-12 | 1985-10-12 | 1986-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-12 | 1989-10-12 | 1990-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-12 | 1993-10-12 | 1994-04-13 | $7700.00 | Window Closed / Lapsed |