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US3207619A Expired / Lapsed US ⏱️ 0.0 years remaining

Bituminous roofing and siding material coated with exfoliated vermiculite

Assignee: Flintkote Co
•
Filing: 1961-04-14
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Granted: 1965-09-21
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Expires: 1981-04-14
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Abstract

No abstract record available.

Inventors

  • 👤 Klimboff Morris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:45
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

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