US2623147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated welding rod
Assignee: Hartford National Bank and Trust Co
•
Filing: 1950-02-16
•
Granted: 1952-12-23
•
Expires: 1970-02-16
Abstract
No abstract record available.
Inventors
- 👤 Willigen Paul Christiaan V Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:14
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12125; Y10T428/12132; Y10T428/12139; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12653
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A COATED WELDING ROD FOR ELECTRIC ARC WELDING BY TOUCH WELDING, COMPRISING AN IRON CORE AND A COATING CONTAINING POWDERY IRON SO THAT THE TOTAL AMOUNT OF IRON CONSTITUENTS FROM 75% TO 86% OF THE TOTAL WEIGHT OF THE COATED WELDING ROD AND FROM 15% TO 50% BY WEIGHT OF THIS IRON IS CONTAINED AS POWDERY IRON IN THE COATING, THE REST OF THE COATING SUBSTANTIALLY BEING OF THE FOLLOWING COMPOSITION PERCENT BY WEIGHT TITANIUM DIOXIDE 10 TO 50 CARBOHYDRATE 10 TO 30 SILICATE 20 TO 40 MAGANESE ALLOY UP TO 10 MANGANESE COMPOUND CAPABLE OF EVOLVING OXYGEN AT WELDING TEMPERATURES-- 3 TO 30
Claim 2
Dependent Claim
104 words
A COATED WELDING ROD FOR ELECTRIC ARC WELDING BY TOUCH WELDING, COMPRISING AN IRON CORE AND A COATING CONTAINING POWDERY IRON SO THAT THE TOTAL AMOUNT OF IRON CONSTITUENTS FROM 75% TO 86% OF THE TOTAL WEIGHT OF THE COATED WELDING ROD AND FROM 15% TO 50% BY WEIGHT OF THIS IRON IS CONTAINED AS POWDERY IRON IN THE COATING, THE REST OF THE COATING SUBSTANTIALLY BEING OF THE FOLLOWING COMPOSITION PERCENT BY WEIGHT TITANIUM DIOXIDE 10 TO 50 CARBOHYDRATE 10 TO 30 SILICATE 20 TO 40 MAGANESE ALLOY UP TO 10 MANGANESE COMPOUND CAPABLE OF EVOLVING OXYGEN AT WELDING TEMPERATURES-- 3 TO 30
References Cited (Backward Citations)
US1374711A
Cited
GB394319A
Cited
US2009240A
Cited
GB417195A
Cited
US2141938A
Cited
US2164775A
Cited
US2210777A
Cited
US2429175A
Cited
US2408619A
Cited
US2408620A
Cited
US2504630A
Cited
US2490179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |