US2907679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion- and abrasion-resistant coated metals
Assignee: Temescal Metallurgical Corp
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Filing: 1955-10-17
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Granted: 1959-10-06
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Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/06; C23C14/08; C23C14/081; C23C14/10; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/261; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
AN ARTICLE OF MANUFACTURE CONSISTING ESSENTIALLY OF A BASE LAYER OF DUCTILE SHEET STEEL CAPABLE OF READY DEFORMATON, AN INTERMEDIATE LAYER OF ALUMINUM ADHERENT TO AND DEFORMABLE WITH SAID BASE LAYER, AND A SURFACE CRYSTALLINE LAYER OF DISPROPORTIONED SUB-OXIDE OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND SILICON AND HAVING A THICKNESS IN THE RANGE OF FROM 5X10-6 INCH TO 15X10-6 INCH SO FIRMLY ADHERENT OF SAID ALUMINUM LAYER AS TO RETAIN ITS CONTINUITY WHEN SAID BASE LAYER IS SHARPLY BENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |