US3139514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes of electric arc welding under protective gas
Assignee: Gebrueder Boehler and Co AG
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Filing: 1962-03-26
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Granted: 1964-06-30
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Kaesmacher Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:46
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/308; B23K35/3086
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A GAS-SHIELDED ELECTRIC ARC WELDING PROCESS FOR JOINING AT LEAST TWO PARTS OF STEEL, SAID PROCESS COMPRISING MELTING AN ALLOY STELL CONSISTING OF 0.1-0.15% C, 0.6-1.4% SI, 1.5-2.0% MN, 29-31% CR, 8.5-9.5% NI, 0.15-0.20% MO, 0.1-0.2% V, BALANCE IRON AND INEVITABLE IMPURITIES, AS A FILLER MATERIAL IN AN ELECTRIC ARC UNDER A PROTECTIVE GAS, AND USING THE MOLTEN FILLER MATERIAL IN FORMING BETWEEN SAID PARTS A JOINT WHICH WILL RESIST TEMPERATURES UP TO 400*C.
References Cited (Backward Citations)
US2405666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |