US3292334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing element and roof surface
Assignee: Lubrizol Corp
•
Filing: 1962-06-05
•
Granted: 1966-12-20
•
Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 Willis G Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:11
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/10; Y; Y10; Y10T; Y10T428/00; Y10T428/19; Y10T428/24; Y10T428/24355; Y10T428/24364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A ROOFING ELEMENT COMPRISING A LAMINATE OF A SUBSTANTIALLY RECTANGULAR BITUMEN-IMPREGNATED ROOFING FELT COMPONENT AND A SUBSTANTIALLY RECTANGULAR BONDED FLASS MAT COMPONENT, SAID BONDED GLASS MAT COMPONENT HAVING AT LEAST 10 PERCENT OF VOIDS WHICH EXTEND THERETHROUGH; AND SAID LAMINATE BEING CHARACTERIZED FURTHER IN THAT (A) THE WIDTH OF THE BONDED GLASS MAT COMPONENT IS FROM ABOUT ONE-THIRD TO ABOUT TWO-THIRDS THE WIDTH OF THE BITUMEN-IMPREGNATED ROOFING FELT COMPONENT, AND (B) A LONGITUDINAL EDGE OF THE BONDED GLASS MAT COMPONENT PROJECTS IN A SUBSTANTIALLY PARALLEL MANNER AT LEAST ABOUT ONE INCH BEYOND A LONGITUDINAL EDGE OF THE BITUMEN-IMPREGNATED ROOFING FELT COMPONENT.
Claim 2
Dependent Claim
101 words
A ROOFING ELEMENT COMPRISING A LAMINATE OF A SUBSTANTIALLY RECTANGULAR BITUMEN-IMPREGNATED ROOFING FELT COMPONENT AND A SUBSTANTIALLY RECTANGULAR BONDED FLASS MAT COMPONENT, SAID BONDED GLASS MAT COMPONENT HAVING AT LEAST 10 PERCENT OF VOIDS WHICH EXTEND THERETHROUGH; AND SAID LAMINATE BEING CHARACTERIZED FURTHER IN THAT (A) THE WIDTH OF THE BONDED GLASS MAT COMPONENT IS FROM ABOUT ONE-THIRD TO ABOUT TWO-THIRDS THE WIDTH OF THE BITUMEN-IMPREGNATED ROOFING FELT COMPONENT, AND (B) A LONGITUDINAL EDGE OF THE BONDED GLASS MAT COMPONENT PROJECTS IN A SUBSTANTIALLY PARALLEL MANNER AT LEAST ABOUT ONE INCH BEYOND A LONGITUDINAL EDGE OF THE BITUMEN-IMPREGNATED ROOFING FELT COMPONENT.
References Cited (Backward Citations)
GB406505A
Cited
US2125694A
Cited
US2523759A
Cited
US2503246A
Cited
US2652341A
Cited
US2676155A
Cited
US2811769A
Cited
US2847948A
Cited
US3095339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |