Patent US2729574A successfully refreshed from Google Patents.
US2729574A
Expired / Lapsed
US
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Coated roofing and siding and process of preparing the same
Assignee: Patent and Licensing Corp
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Filing: 1952-05-07
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Granted: 1956-01-03
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Expires: 1972-05-07
Abstract
No abstract record available.
Inventors
- 👤 Walter J Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:13
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; E; E04; E04D; E04D5/00; E04D5/12; C04B2111/00; C04B2111/00474; C04B2111/00482; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/25; Y10T428/254
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
41 words
A PROCESS FOR PREPARING AN IMPROVED COMPOSITION ROOFING AND SIDING WHICH COMPRISES COATING A BASE WITH A BITUMINOUS MATERIAL, APPLYING LIGHT COLORED GRANULES, PRESSING THE GRANULES INTO THE BITUMINOUS MATERIAL, APPLYING DRY CEMENT, SPRAYING ON ALKALI SILICATE SOLUTION AND HEAT TREATING.
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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) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |