US2697770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weld rod
Assignee: Babcock and Wilcox Co
•
Filing: 1950-05-02
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Granted: 1954-12-21
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Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 Otis R Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:45
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/308; B23K35/3086; B23K35/36; B23K35/3601; B23K35/3602; B23K9/00; B23K9/02; B23K9/028; B23K9/0288; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2951; Y10T428/2953; Y10T428/2955
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A FLUX COATED METALLIC ARC WELDING ROD FOR ARC WELDING ALLOY STEELS OF HIGH CORROSION RESISTANCE HAVING HIGH AIR HARDENING AND CRACK SENSITIVITY CHARACTERISTICS, SAID ROD COMPRISING A CORE WITH A CHROMIUM CONTENT OF FROM 20% TO 30% AND A NICKEL CONTENT OF FROM 2% TO 5%, WITH THE BALANCE PRINCIPALLY IRON AND INCIDENTAL UMPURITIES; AND A FLUX COATING ON SAID CORE HAVING THE FOLLOWING COMPOSITION IN EQUIVALENT PERCENTAGES
Claim 2
Dependent Claim
69 words
A FLUX COATED METALLIC ARC WELDING ROD FOR ARC WELDING ALLOY STEELS OF HIGH CORROSION RESISTANCE HAVING HIGH AIR HARDENING AND CRACK SENSITIVITY CHARACTERISTICS, SAID ROD COMPRISING A CORE WITH A CHROMIUM CONTENT OF FROM 20% TO 30% AND A NICKEL CONTENT OF FROM 2% TO 5%, WITH THE BALANCE PRINCIPALLY IRON AND INCIDENTAL UMPURITIES; AND A FLUX COATING ON SAID CORE HAVING THE FOLLOWING COMPOSITION IN EQUIVALENT PERCENTAGES
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |