US3551741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc striking or stabilization network having a detecting transformer and capacitor connected to the electrode
Assignee: Linde GmbH
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Filing: 1968-06-28
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Granted: 1970-12-29
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Expires: 1988-06-28
Abstract
No abstract record available.
Inventors
- 👤 Franz Tajbl
- 👤 Max Gillitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:53
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/06; B23K9/067; B23K9/0672; B23K9/0673; B23K9/09; B23K9/091; B23K9/092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |