US3135069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing
Assignee: Individual
•
Filing: 1958-12-31
•
Granted: 1964-06-02
•
Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Werner H W Schuller
- 👤 Krebber Erich
- 👤 Krebber Hans Julins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:28
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/17; E04D11/00; E04D11/02; E04D13/16; E04D5/00; E04D5/12; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24339
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A MULTI-PLY ROOF STRUCTURE COMPRISING A ROOF DECK, A VAPOR PERMEABLE LAMINA DISPOSED OVER SAID DECK, A FIBROUS MAT DISPOSED OVER SAIR VAPOR PERMEABLE LAMINA, SAID FIBROUS MAT BEING IMPREGNATED WITH A BITUMINOUS BINDER MATERIAL AND HAVING THE SURFACE THEREOF ADJACENT TO SAID VAPOR PERMEABLE LAMINA PROVIDED WITH A LAYER OF COARSE, GRANULAR MATERIAL FOR DRAINING SAID MOISTURE COLLECTED BENEATH SAID FIBROUS MAT, AND VENT MEANS COMMUNICATING WITH SAID GRANULAR LAYER FOR EFFECTING REMOVAL OF SAID MOISTURE THEREFROM TO ATMOSPHERE, SAID FIBROUS MAT BEING FORMED OF GLASS FIBER MATERIAL WITH SPACED PERFORATIONS THERETHROUGH AND THROUGH SAID GRANULAR LAYER, AND INCLUDING A COATING OF BITUMINOUS MATERIAL APPLIED TO THE SURFACE OF SAID GLASS FIBER MAT REMOTE FROM SAID GRANULAR MATERIAL WITH PORTIONS OF SAID COATING DISPOSED IN SAID PERFORATIONS AND SPOT-BINDING SAID GLASS FIBER MAT TO SAID VAPOR-PERMEABLE LAMINA.
Claim 2
Dependent Claim
138 words
A MULTI-PLY ROOF STRUCTURE COMPRISING A ROOF DECK, A VAPOR PERMEABLE LAMINA DISPOSED OVER SAID DECK, A FIBROUS MAT DISPOSED OVER SAIR VAPOR PERMEABLE LAMINA, SAID FIBROUS MAT BEING IMPREGNATED WITH A BITUMINOUS BINDER MATERIAL AND HAVING THE SURFACE THEREOF ADJACENT TO SAID VAPOR PERMEABLE LAMINA PROVIDED WITH A LAYER OF COARSE, GRANULAR MATERIAL FOR DRAINING SAID MOISTURE COLLECTED BENEATH SAID FIBROUS MAT, AND VENT MEANS COMMUNICATING WITH SAID GRANULAR LAYER FOR EFFECTING REMOVAL OF SAID MOISTURE THEREFROM TO ATMOSPHERE, SAID FIBROUS MAT BEING FORMED OF GLASS FIBER MATERIAL WITH SPACED PERFORATIONS THERETHROUGH AND THROUGH SAID GRANULAR LAYER, AND INCLUDING A COATING OF BITUMINOUS MATERIAL APPLIED TO THE SURFACE OF SAID GLASS FIBER MAT REMOTE FROM SAID GRANULAR MATERIAL WITH PORTIONS OF SAID COATING DISPOSED IN SAID PERFORATIONS AND SPOT-BINDING SAID GLASS FIBER MAT TO SAID VAPOR-PERMEABLE LAMINA.
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |