US3215809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-arc welding
Assignee: Individual
•
Filing: 1963-06-25
•
Granted: 1965-11-02
•
Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Morimoto Izumi
- 👤 Nakayama Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:22
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/18; B23K9/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A SUBMERGED ARC WELDING METHOD IN WHICH THE ARC PRODUCED FROM AN ELECTODE OF STEEL WIRE IS SHIELDED BY A GRANULAR FLUX CHARACTERIZE BY THE FEEDIN OF A TUBULAR FILLER WIRE TO SAID ARC, SAID TUBULAR WIRE COMPRISING AN OUTER TUBULAR SHEATH OF STEEL CONTAINING AS A DEOXIDIZING AGENT UP TO 5% MANGANESE, UP TO 5% SILICON AND UP TO 3% ALUMINUM AND A CORE FLUX COMPOSED OF AT LEAST ONE OF THE FOLLOWING, DEOXIDIZING AGENT, DENITRIFYING AGENT, ALLOYING ELEMENT, SLAG PRODUCING MATERIAL, AND ARC STA-
Claim 2
Dependent Claim
86 words
A SUBMERGED ARC WELDING METHOD IN WHICH THE ARC PRODUCED FROM AN ELECTODE OF STEEL WIRE IS SHIELDED BY A GRANULAR FLUX CHARACTERIZE BY THE FEEDIN OF A TUBULAR FILLER WIRE TO SAID ARC, SAID TUBULAR WIRE COMPRISING AN OUTER TUBULAR SHEATH OF STEEL CONTAINING AS A DEOXIDIZING AGENT UP TO 5% MANGANESE, UP TO 5% SILICON AND UP TO 3% ALUMINUM AND A CORE FLUX COMPOSED OF AT LEAST ONE OF THE FOLLOWING, DEOXIDIZING AGENT, DENITRIFYING AGENT, ALLOYING ELEMENT, SLAG PRODUCING MATERIAL, AND ARC STA-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |