US3852933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof panel
Assignee: Individual
•
Filing: 1973-01-15
•
Granted: 1974-12-10
•
Expires: 1993-01-15
Abstract
Abstract An undulating roof panel of extruded plastic or metal having at one side a somewhat V-shape to provide a rain-protective cover portion and interlocking portion for engaging the side edge of a like, adjoining panel by first tilting said like panel for interlocking engagement. Said one side of the first mentioned panel is anchored by a clip to a framework, while the other side of the adjoining panel is nested thereon to provide double water drains for draining rain or melted snow.
Inventors
- 👤 R Guzzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:29
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A plurality of roof panels having interlocked sides, each panel comprising an outwardly projecting, substantially convex, central panel portion terminating in integral, substantially concave, trough shaped, flat bottomed side portions, a clip attaching the extremity of said side portion to a supporting framework, an integral overhanging portion extending at an acute angle from where one of said trough shaped side portions joins said convex, central panel portion so as to overhang, while spaced from and without contacting, the extremity of a trough shaped side portion of an adjoining panel after such adjoining panel is tilted into position, to effect nesting of opposite trough shaped side portions without impairing relative sliding movement therebetween, there being no connection between said nested trough shaped portions or between said extremity and said overhanging portions, the upper trough shaped nested side portion being slightly shorter than the bottom one in order to permit relative movement therebetween as the result of expansion or contraction from ambient temperature changes, and a clip fastening the Extremity of the bottom nesting side portion to said framework.
Claim 2
Dependent Claim
177 words
A plurality of roof panels having interlocked sides, each panel comprising an outwardly projecting, substantially convex, central panel portion terminating in integral, substantially concave, trough shaped, flat bottomed side portions, a clip attaching the extremity of said side portion to a supporting framework, an integral overhanging portion extending at an acute angle from where one of said trough shaped side portions joins said convex, central panel portion so as to overhang, while spaced from and without contacting, the extremity of a trough shaped side portion of an adjoining panel after such adjoining panel is tilted into position, to effect nesting of opposite trough shaped side portions without impairing relative sliding movement therebetween, there being no connection between said nested trough shaped portions or between said extremity and said overhanging portions, the upper trough shaped nested side portion being slightly shorter than the bottom one in order to permit relative movement therebetween as the result of expansion or contraction from ambient temperature changes, and a clip fastening the Extremity of the bottom nesting side portion to said framework.
References Cited (Backward Citations)
US1110272A
Cited
US1510614A
Cited
US2258509A
Cited
US2632538A
Cited
US3110371A
Cited
FR1274623A
Cited
CH382959A
Cited
GB991609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |