Patent US3207619A successfully refreshed from Google Patents.
US3207619A
Expired / Lapsed
US
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Bituminous roofing and siding material coated with exfoliated vermiculite
Assignee: Flintkote Co
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Filing: 1961-04-14
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Granted: 1965-09-21
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Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
- 👤 Klimboff Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:26
CPC Classifications
E; E04; E04D; E04D7/00; E04D7/005; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/2438; Y10T428/29; Y10T428/2911; Y10T428/31504; Y10T428/31815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A BITUMINOUS ROOFING AND SIDING MATERIAL OF LIGHT WEIGHT, INCREASED INSULATION, FIRE RESISTANCE AND DECORATIVE APPEAL, AND HAVING A SUBSTANTIAL RESISTANCE TO WEATHER DETERIORATION AND FOOT TRAFFIC COMPRISING A FIBROUS BASE SATURATED WITH A BITUMEN, A LAYER OF RELATIVELY HIGH MELTING POINT BITUMEN APPLIED TO THE SIDE OF SAID FIBROUS BASE WHICH IS TO BE EXPOSED TO THE WEATHER AND A SURFACING LAYER ADHERED TO SAID LAYER OF RELATIVELY HIGH MELTING POINT BITUMEN COMPRISING VERMICULITE GRANULES WHICH ARE EXFOLIATED AT LEAST TO THE EXTENT OF BEING OPAQUE TO THE EFFECTS OF THE ACTINIC RAYS OF THE SUN.
Claim 2
Dependent Claim
97 words
A BITUMINOUS ROOFING AND SIDING MATERIAL OF LIGHT WEIGHT, INCREASED INSULATION, FIRE RESISTANCE AND DECORATIVE APPEAL, AND HAVING A SUBSTANTIAL RESISTANCE TO WEATHER DETERIORATION AND FOOT TRAFFIC COMPRISING A FIBROUS BASE SATURATED WITH A BITUMEN, A LAYER OF RELATIVELY HIGH MELTING POINT BITUMEN APPLIED TO THE SIDE OF SAID FIBROUS BASE WHICH IS TO BE EXPOSED TO THE WEATHER AND A SURFACING LAYER ADHERED TO SAID LAYER OF RELATIVELY HIGH MELTING POINT BITUMEN COMPRISING VERMICULITE GRANULES WHICH ARE EXFOLIATED AT LEAST TO THE EXTENT OF BEING OPAQUE TO THE EFFECTS OF THE ACTINIC RAYS OF THE SUN.
References Cited (Backward Citations)
US1719118A
Cited
US2112194A
Cited
US2077094A
Cited
US2332221A
Cited
US2495540A
Cited
US2857541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |