US3598627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fungus-resistant shingles
Assignee: Flintkote Co
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Filing: 1967-09-20
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Granted: 1971-08-10
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Expires: 1987-09-20
Abstract
Abstract THERE IS DISCLOSED HEREIN A FUNGUS-RESISTANT AND ALGARESISTANT COMPOSITION SHINGLE SUITABLE FOR ROOFING AND SIDING MADE OF AN ASPHALT-IMPREGNATED BASE THAT CONTAINS EMBEDDED ON A PORTION OR ON ALL OF ITS WEATHERING SURFACE GRANULAR ZINC OR A GRANULAR ZINC-CONTAINING MATERIAL ALONG WITH THE USUAL COLORED GRANULES ON SUCH SURFACES.
Inventors
- 👤 Morris Klimboff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:19
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/12; E04D1/22; E04B; E04B1/00; E04B1/62; E04B1/66; E04D13/00; E04D13/002; E04D13/004; E04D2001/005; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24752; Y10T428/27
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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |