US2504630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated self-starting welding rod for touch arc welding
Assignee: Hartford National Bank and Trust Co
•
Filing: 1947-04-07
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Granted: 1950-04-18
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Expires: 1967-04-07
Abstract
No abstract record available.
Inventors
- 👤 Bienfait Henri
- 👤 Blink Willem Pieter Van Den
- 👤 Boon Simon Dirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:50
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3608; B23K35/3607; B23K35/365; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12139
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A COATED SELF-STARTING WELDING ROD FOR TOUCH ARE-WELDING, THE COATING OF WHICH COMPRISES FROM 20% TO 50% OF IRON POWDER AND FROM 5% TO 80% OF A SEMI-CONDUCTING TITANIUM OXIDE HAVING THE FORMULA TIOX IN WHICH X IN GREATER THAN 1 AND LESS THAN 2.
Claim 2
Dependent Claim
45 words
A COATED SELF-STARTING WELDING ROD FOR TOUCH ARE-WELDING, THE COATING OF WHICH COMPRISES FROM 20% TO 50% OF IRON POWDER AND FROM 5% TO 80% OF A SEMI-CONDUCTING TITANIUM OXIDE HAVING THE FORMULA TIOX IN WHICH X IN GREATER THAN 1 AND LESS THAN 2.
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) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |