Patent US4592176A successfully refreshed from Google Patents.
US4592176A
Expired / Lapsed
US
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Roof edging system
Assignee: Alprokon Promotie en Ontwikkeling BV
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Filing: 1984-07-23
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Granted: 1986-06-03
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Expires: 2004-07-23
Abstract
Abstract Roof edging section system with a first section of which a rib rests upon the layers of roof covering material and a staggered second section carried by the first section and covering the rib with a cover strip.
Inventors
- 👤 Frederik C. van Herpen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:11
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/15
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
62 words
Roof edging section system comprising a first section provided with a web portion to be fastened parallel to the vertical roof edge and a first rib extending transversely thereto, in which the first rib rests upon the roof covering layer and the section supports a second, easily dismountable and staggered second section, which has a cover strip laying above the first rib.
Claim 2
Dependent Claim
62 words
Roof edging section system comprising a first section provided with a web portion to be fastened parallel to the vertical roof edge and a first rib extending transversely thereto, in which the first rib rests upon the roof covering layer and the section supports a second, easily dismountable and staggered second section, which has a cover strip laying above the first rib.
Claim 3
Dependent Claim
90 words
Roof edging section system according to claim 1, in which the first section is provided with an upstanding rib of M-shaped configuration disposed substantially in line with the web portion and with the point of the recessed part of the M directed away from the roof edge, the second section being provided with a U-shaped rib surrounding the first mentioned rib and the first section being fastened on the second section by means of a screw passing through the second section and fitting into the depression of the M-shaped rib.
Claim 4
Dependent Claim
41 words
Roof edging section system according to claim 1, in which the first section is provided with an upstanding rib disposed substantially in line with the web portion and the second section is provided with a U-shaped rib surrounding the firstmentioned rib.
Claim 5
Dependent Claim
45 words
Roof edging system according to claim 3, in which the upstanding rib is of M-shaped section the first section being fastened on the second section with the aid of a screw passing through the first section and fitting into the depression in the M-shaped rib.
Claim 6
Dependent Claim
35 words
Roof edging section system according to claim 2, in which the U-shaped rib of the second section is extended to form a cover strip lying in front of the web portion of the first section.
References Cited (Backward Citations)
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Cited
US3444658A
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US3404495A
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US3415020A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |