US3320040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanized ferrous article
Assignee: American Smelting and Refining Co
•
Filing: 1963-08-01
•
Granted: 1967-05-16
•
Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 William P Roe
- 👤 Willard J Lantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:30
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/06; C22; C22C; C22C18/00; C22C18/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12799
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A GALVANIZED FERROUS ARTICLE HAVING A COATING OF GALVANIZING METAL ADHERING THERETO WHICH COMPRISES A ZINC BASE ALLOY CONTAINING, BY WEIGHT, .1-3.5% ALUMINUM, .02-.2% MAGNESIUM, AND LESS THAN .1% LEAD.
Claim 2
Dependent Claim
30 words
A GALVANIZED FERROUS ARTICLE HAVING A COATING OF GALVANIZING METAL ADHERING THERETO WHICH COMPRISES A ZINC BASE ALLOY CONTAINING, BY WEIGHT, .1-3.5% ALUMINUM, .02-.2% MAGNESIUM, AND LESS THAN .1% LEAD.
References Cited (Backward Citations)
US2197622A
Cited
US2180291A
Cited
US2703766A
Cited
US3056694A
Cited
US2986808A
Cited
US3245765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |