US3149928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soft, ductile, galvanized material
Assignee: Inland Steel Co
•
Filing: 1961-10-19
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Granted: 1964-09-22
•
Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Carlton F Schrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:48
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/40; B; B32; B32B; B32B15/00; B32B15/01; B32B15/013; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12799
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
SOFT, DUCTILE, CONTINUOUSLY HOT-DIP GALVANIZED MATERIAL COMPRISING: A STEEL BASE CONTAINING TITANIUM IN AN AMOUNT EXCEEDING FOUR AND UP TO NINE TIMES THE CARBON CONTENT OF THE STEEL; AND A COATING OF ZINC ON SAID BASE;
Claim 2
Dependent Claim
36 words
SOFT, DUCTILE, CONTINUOUSLY HOT-DIP GALVANIZED MATERIAL COMPRISING: A STEEL BASE CONTAINING TITANIUM IN AN AMOUNT EXCEEDING FOUR AND UP TO NINE TIMES THE CARBON CONTENT OF THE STEEL; AND A COATING OF ZINC ON SAID BASE;
References Cited (Backward Citations)
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |