US3296408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual arc welding
Assignee: R I PATENTS Inc
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Filing: 1966-02-01
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Granted: 1967-01-03
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Roman F Arnoldy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:53
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE METHOD OF WELDING A SURFACE INCLUDING: MOVING A PAIR OF ELECTRODES OVER THE SURFACE, DEPOSITING A LAYER OF ALLOY GRANULES IN A PUDDLE AHEAD OF AND BETWEEN THE ELECTRODES, OSCILLATING THE PAIR OF ELECTRODES TRANSVERSELY OF THE DEPOSITED LAYER AS THEY TRAVEL THEREOVER, AND MAINTAINING ARCS FROM BOTH ELECTRODES TO THE DEPOSITED LAYER ON THE SURFACE, THEREBY FORMING THE PUDDLE AND WELDING THE SURFACE.
Claim 2
Independent Claim
65 words
THE METHOD OF WELDING A SURFACE INCLUDING: MOVING A PAIR OF ELECTRODES OVER THE SURFACE, DEPOSITING A LAYER OF ALLOY GRANULES IN A PUDDLE AHEAD OF AND BETWEEN THE ELECTRODES, OSCILLATING THE PAIR OF ELECTRODES TRANSVERSELY OF THE DEPOSITED LAYER AS THEY TRAVEL THEREOVER, AND MAINTAINING ARCS FROM BOTH ELECTRODES TO THE DEPOSITED LAYER ON THE SURFACE, THEREBY FORMING THE PUDDLE AND WELDING THE SURFACE.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |