US2553413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing material and process of making same
Assignee: United States Gypsum Co
•
Filing: 1948-02-28
•
Granted: 1951-05-15
•
Expires: 1968-02-28
Abstract
No abstract record available.
Inventors
- 👤 Morton C Higgs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:45
CPC Classifications
D; D06; D06N; D06N5/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
ROOFING MATERIAL COMPRISING AN ASPHALTSATURATED WEB, ASPHALTIC COATING MATERIAL ON EACH SIDE THEREOF, AND A LAYER OF INERT PARTICLES IMBEDDED IN A DRY WATER-RESISTANT HORNY FARINACEOUS FILM SUPERIMPOSED UPON AND ADHERING TO THE ASPHALTIC COATING ON ONE SIDE OF SAID WEB.
Claim 2
Dependent Claim
41 words
ROOFING MATERIAL COMPRISING AN ASPHALTSATURATED WEB, ASPHALTIC COATING MATERIAL ON EACH SIDE THEREOF, AND A LAYER OF INERT PARTICLES IMBEDDED IN A DRY WATER-RESISTANT HORNY FARINACEOUS FILM SUPERIMPOSED UPON AND ADHERING TO THE ASPHALTIC COATING ON ONE SIDE OF SAID WEB.
References Cited (Backward Citations)
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US1429728A
Cited
US1481430A
Cited
US1552421A
Cited
US1784810A
Cited
US2153723A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |