US2678891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistick coated, steel building sheet
Assignee: Hospitality Homes
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Filing: 1952-12-17
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Granted: 1954-05-18
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Expires: 1972-12-17
Abstract
No abstract record available.
Inventors
- 👤 Paul W Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:45
CPC Classifications
C; C09; C09D; C09D195/00; C09D101/00; C09D101/08; C09D101/26; C09D105/00; C09D105/04; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/31504; Y10T428/31652; Y10T428/31656; Y10T428/31678; Y10T428/31717
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A BUILDING SHEET FOR ROOFING AND SIDING PURPOSES, COMPRISING A PROTECTED STEEL CORE SHEET HAVING AN OUTER PROTECTIVE WATERPROOFING BITUMINOUS COATING CHARACTERIZED BY A NORMALLY TACKY SURFACE, AND A FILM COVERING SAID TACKY SURFACE AND COMPRISING AN INORGANIC WATER SOLUBLE ALGINATE AND A PLASTICIZER THEREFOR CONSISTING OF A MONO-ALKYL ETHER OF A POLYALKYLENE GLYCOL, THE ALKYL GROUP HAVING 1 TO 4 CARBON ATOMS.
Claim 2
Dependent Claim
63 words
A BUILDING SHEET FOR ROOFING AND SIDING PURPOSES, COMPRISING A PROTECTED STEEL CORE SHEET HAVING AN OUTER PROTECTIVE WATERPROOFING BITUMINOUS COATING CHARACTERIZED BY A NORMALLY TACKY SURFACE, AND A FILM COVERING SAID TACKY SURFACE AND COMPRISING AN INORGANIC WATER SOLUBLE ALGINATE AND A PLASTICIZER THEREFOR CONSISTING OF A MONO-ALKYL ETHER OF A POLYALKYLENE GLYCOL, THE ALKYL GROUP HAVING 1 TO 4 CARBON ATOMS.
References Cited (Backward Citations)
US1404345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |