US3300927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated sheet material
Assignee: Ruberoid Co
•
Filing: 1963-01-21
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Granted: 1967-01-31
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Bettoli Phillip Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:28
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/029; B; B32; B32B; B32B27/00; D; D21; D21J; D21J1/00; E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A ROOF COMPRISING A ROOF DECK AND SUCCESSIVE LENGTHS OF FLEXIBLE ROOFING MATERIAL HAVING A UNIFORM WIDTH, SAID MATERIAL COVERING SAID ROOF DECK, SAID ROOFING MATERIAL BEING WEATHER AND FIRE RESISTANT AND UNIFORMLY SECURED TO SAID ROOF DECK WITH AN ASPHALTIC ADHESVIE, SAID ROOFING MATERIAL COMPRISING A PIGMENTED SUBSTANTIALLY OPAQUE POLYVINYLFLUORIDE PLASTIC FILM HAVING A UNIFORM THICKNESS OF AT LEAST ONE MIL, AND AN ASBESTOS FELT BACKING IMPREGNATED WITH FROM ABOUT 15% TO ABOUT 25% BY WEIGHT OF POLYCHLOROPRENE, SAID FILM SECURED TO SAID ASBESTOS FELT BACKING BY MEANS OF A THERMOSETTING, ELASTOMERIC ADHESIVE, SAID ROOFING MATERIAL DISPOSED ION SAID ROOF DECK IN A MANNER SUCH THAT A LONGITUDINAL EDGE OF ONE OF SAID LENGTHS OF ROOFING MATERIAL ABUTS THE LONGITUDINAL EDGE OF ANOTHER OF SAID LENGTHS ADJACENT TO IT, THE SEAM DEFINED BY SAID ABUTTING LONGITUDINAL EDGES BEING SEALED BY PRESSURE-SENSITIVE ADHESIVE TAPE, SAID TAPE COMPRISING POLYVINYLFLUORIDE PLASTIC FILM.
Claim 2
Dependent Claim
150 words
A ROOF COMPRISING A ROOF DECK AND SUCCESSIVE LENGTHS OF FLEXIBLE ROOFING MATERIAL HAVING A UNIFORM WIDTH, SAID MATERIAL COVERING SAID ROOF DECK, SAID ROOFING MATERIAL BEING WEATHER AND FIRE RESISTANT AND UNIFORMLY SECURED TO SAID ROOF DECK WITH AN ASPHALTIC ADHESVIE, SAID ROOFING MATERIAL COMPRISING A PIGMENTED SUBSTANTIALLY OPAQUE POLYVINYLFLUORIDE PLASTIC FILM HAVING A UNIFORM THICKNESS OF AT LEAST ONE MIL, AND AN ASBESTOS FELT BACKING IMPREGNATED WITH FROM ABOUT 15% TO ABOUT 25% BY WEIGHT OF POLYCHLOROPRENE, SAID FILM SECURED TO SAID ASBESTOS FELT BACKING BY MEANS OF A THERMOSETTING, ELASTOMERIC ADHESIVE, SAID ROOFING MATERIAL DISPOSED ION SAID ROOF DECK IN A MANNER SUCH THAT A LONGITUDINAL EDGE OF ONE OF SAID LENGTHS OF ROOFING MATERIAL ABUTS THE LONGITUDINAL EDGE OF ANOTHER OF SAID LENGTHS ADJACENT TO IT, THE SEAM DEFINED BY SAID ABUTTING LONGITUDINAL EDGES BEING SEALED BY PRESSURE-SENSITIVE ADHESIVE TAPE, SAID TAPE COMPRISING POLYVINYLFLUORIDE PLASTIC FILM.
References Cited (Backward Citations)
CA579626A
Cited
US2044788A
Cited
US2164790A
Cited
US2376854A
Cited
US2874652A
Cited
US3056224A
Cited
US3133854A
Cited
US3228823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |