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US3909253A
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Welding wire
Assignee: Individual
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Filing: 1974-07-19
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Granted: 1975-09-30
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Expires: 1994-07-19
Abstract
Abstract Welding wire for welding cast iron based on nickel and containing in the following weight percent: D R A W I N G
Inventors
- 👤 Avraam Efimovich Asnis
- 👤 Jury Yakovlevich Gretsky
- 👤 Evgeny Petrovich Kuznetsov
- 👤 Nikolai Alexandrovic Slavinsky
- 👤 Igor Mikhailovich Melnichenko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:24
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12937
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
19 words
A WELDING WIRE FOR WELDING CAST IRON, BASED ON NICKEL AND CONSISTING ESSENTIALLY OF IN THE FOLLOWING WEIGHT PERCENT:
Claim 2
Dependent Claim
19 words
A WELDING WIRE FOR WELDING CAST IRON, BASED ON NICKEL AND CONSISTING ESSENTIALLY OF IN THE FOLLOWING WEIGHT PERCENT:
Claim 3
Dependent Claim
12 words
Welding wire as set forth in claim 1, which further contains cerium.
Claim 4
Dependent Claim
12 words
Welding wire as set forth in claim 1, which further contains lanthanum.
Claim 5
Dependent Claim
27 words
Welding wire as set forth in claim 1, which further contains cerium in combination with lanthanum and other rare-earth metals in the approximate proportioning of 2:1:1 respectively.
References Cited (Backward Citations)
US2872309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |