US2704317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheathed welding electrode for welding of intergranular corrosion resistant stainlesssteel
Assignee: Gebrueder Boehler and Co AG
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Filing: 1951-03-28
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Granted: 1955-03-15
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Expires: 1971-03-28
Abstract
No abstract record available.
Inventors
- 👤 Hummitzsch Werner
- 👤 Ablasser Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:39
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/308; B23K35/3086; B23K35/36; B23K35/3601; B23K35/3603; B23K35/3605
Claims Analysis
Total Claims: 0
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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) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |