Patent US2782129A successfully refreshed from Google Patents.
US2782129A
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Fire retardant coated roofing sheet and process for preparing
Assignee: Honeywell International Inc
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Filing: 1955-12-20
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Granted: 1957-02-19
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Expires: 1975-12-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Donegan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:02
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/10; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24413; Y10T428/24421; Y10T428/25; Y10T428/259; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/2115; Y10T442/2631
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A FIRE RETARDANT ASPHALT ROOF COVERING COMPRISING AN ASPHALT-SATURATED FELT BASE HAVING APPLIED THERETO A COMPOSITE COATING COMPRISING A LAYER OF UNEXPANDED VERMICULITE POSITIONED BETWEEN TWO LAYERS OF A COMPOSITION COMPRISING AN ASPHALT AND BETWEEN ABOUT 5% AND ABOUT 20% OF ASBESTOS FIBRES OF A TYPE CLASSIFIABLE AS A GROUP 7 GRADE ASBESTOS, SAID COMPOSITION HAVING A SOFTENING POINT ASTM TEST METHOD D-36-26 BETWEEN ABOUT 250*F. AND ABOUT 285*F.
Claim 2
Dependent Claim
69 words
A FIRE RETARDANT ASPHALT ROOF COVERING COMPRISING AN ASPHALT-SATURATED FELT BASE HAVING APPLIED THERETO A COMPOSITE COATING COMPRISING A LAYER OF UNEXPANDED VERMICULITE POSITIONED BETWEEN TWO LAYERS OF A COMPOSITION COMPRISING AN ASPHALT AND BETWEEN ABOUT 5% AND ABOUT 20% OF ASBESTOS FIBRES OF A TYPE CLASSIFIABLE AS A GROUP 7 GRADE ASBESTOS, SAID COMPOSITION HAVING A SOFTENING POINT ASTM TEST METHOD D-36-26 BETWEEN ABOUT 250*F. AND ABOUT 285*F.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |