US3123702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep groove arc welding apparatus
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:23
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/0213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE PROCESS OF WELDING WITHIN A DEEP GROOVE, COMPRISING DEPOSITING THE INITIAL BASE WELD BEADS BY GASSHIELDED ARC WELDING APPARATUS HAVING A NOZZLE OF RECTANGULAR CROSS SECTION PROJECTING WITHIN THE GROOVE, THE LOWER END OF SAID NOZZLE INCLUDING SHIELDING GAS OPENINGS TO ENVELOP THE ARC IN A SHIELDING GAS, AND DEPOSITING THE OUTER WELD BEADS BY GAS-SHIELDED ARC WELDING APPARATUS HAVING A BELL-SHAPED GAS-SHIELD NOZZLE COMPLETELY OVERLYING THE TOP OF THE WELD GROOVE.
Claim 2
Dependent Claim
73 words
THE PROCESS OF WELDING WITHIN A DEEP GROOVE, COMPRISING DEPOSITING THE INITIAL BASE WELD BEADS BY GASSHIELDED ARC WELDING APPARATUS HAVING A NOZZLE OF RECTANGULAR CROSS SECTION PROJECTING WITHIN THE GROOVE, THE LOWER END OF SAID NOZZLE INCLUDING SHIELDING GAS OPENINGS TO ENVELOP THE ARC IN A SHIELDING GAS, AND DEPOSITING THE OUTER WELD BEADS BY GAS-SHIELDED ARC WELDING APPARATUS HAVING A BELL-SHAPED GAS-SHIELD NOZZLE COMPLETELY OVERLYING THE TOP OF THE WELD GROOVE.
References Cited (Backward Citations)
US1508711A
Cited
US1749765A
Cited
FR863983A
Cited
US2590084A
Cited
US2702846A
Cited
US2859328A
Cited
US2977457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |