Patent US3496322A successfully refreshed from Google Patents.
US3496322A
Expired / Lapsed
US
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Arc welding flux,electrodes for use therewith and method of welding
Assignee: Lincoln Electric Co
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Filing: 1967-03-21
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Granted: 1970-02-17
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Expires: 1987-03-21
Abstract
No abstract record available.
Inventors
- 👤 John Gonzalez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:30
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/362; B23K35/24; B23K35/30; B23K35/3053; B23K35/3066; B23K35/3601; B23K35/361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1992792A
Cited
US2024992A
Cited
US2719801A
Cited
US2977676A
Cited
US3394238A
Cited
US3320100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |