US3095339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt roofing element
Assignee: Lubrizol Corp
•
Filing: 1958-03-25
•
Granted: 1963-06-25
•
Expires: 1978-03-25
Abstract
No abstract record available.
Inventors
- 👤 Willis G Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:42
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/10; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24752; Y10T428/2476; Y10T428/24769; Y10T428/24777; Y10T428/24785; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249969; Y10T428/31504; Y10T428/31551; Y10T428/31641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A ROOFING ELEMENT COMPRISING IN COMBINATION A FIRST STRIP OF POROUS, TACKY ASPHALT-BONDED FIBROUS MAT 4 TO 12 INCHES WIDE, AND CENTERED LONGITUDINALLY THEREUNDER AND HELD IN FACEWISE CONTACT THEREWITH BY THE SURFACE TACK OF SAID FIRST STRIP, A SECOND, ASPHALT-IMPERMEABLE STRIP NARROWER THAN SAID FIRST STRIP, SAID SECOND STRIP BEING CHARACTERIZED BY A TENSILE STRENGTH LESS THAN THAT OF SAID FIRST STRIP AND AN ADHENSION TO ASHPALT LESS THAN THE COHENSION OF ASPHALT.
Claim 2
Dependent Claim
74 words
A ROOFING ELEMENT COMPRISING IN COMBINATION A FIRST STRIP OF POROUS, TACKY ASPHALT-BONDED FIBROUS MAT 4 TO 12 INCHES WIDE, AND CENTERED LONGITUDINALLY THEREUNDER AND HELD IN FACEWISE CONTACT THEREWITH BY THE SURFACE TACK OF SAID FIRST STRIP, A SECOND, ASPHALT-IMPERMEABLE STRIP NARROWER THAN SAID FIRST STRIP, SAID SECOND STRIP BEING CHARACTERIZED BY A TENSILE STRENGTH LESS THAN THAT OF SAID FIRST STRIP AND AN ADHENSION TO ASHPALT LESS THAN THE COHENSION OF ASPHALT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |