US3608261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet covering members for building surfaces
Assignee: Johns Manville Corp
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Filing: 1969-03-28
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Granted: 1971-09-28
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Expires: 1989-03-28
Abstract
Abstract THIS INVENTION RELATES TO SHEET COVERING MEMBERS FOR BUILDING SURFACES AND ESPECIALLY TO ASBESTOS-CEMENT SHINGLES AND STRIPS FOR ROOFTING AND SIDING. THE COVERING MEMBERS EACH COMPRISE A BASE MEMBER AND A DENSER VENEER COVERING ON SAID BASE. THE COVERING MEMBERS CAN BE TEXTURED TO SIMULATE A NATURAL WOOD GRAIN.
Inventors
- 👤 Clayton V French
- 👤 Stanley E Jastremski
- 👤 James E Neal
- 👤 Norman S Greiner
- 👤 Paul L Earle
- 👤 Fred T Randolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:29
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/14; E04F13/147; B; B28; B28B; B28B1/00; B28B1/52; B28B1/526; B28B7/00; B28B7/0064; B28B7/007; B28B7/34; B28B7/346; B44; B44F; B44F9/00; B44F9/02; C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B2111/00; C04B2111/00474; C04B2111/00612; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 0
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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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |