US3245765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of improving general corrosion resistance of zinc coated strip
Assignee: Armco Inc
•
Filing: 1962-03-08
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Granted: 1966-04-12
•
Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:09
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/06; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12799
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A FERROUS STRIP HAVING A METALLIC COATING COMPRISED OF .04% TO .35% ALUMINUM, .01% TO .10% MAGNESIUM AND THE REMAINDER ZINC AND INCIDENTAL IMPURITIES, SAID STRIP HAVING ENHANCED GENERAL CORROSION RESISTANCE.
References Cited (Backward Citations)
US2082225A
Cited
US2197622A
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US2703766A
Cited
US2647305A
Cited
US2952568A
Cited
US3164464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |