US3376470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor discharge circuit for starting and sustaining a welding arc
Assignee: United States Atomic Energy Commission
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Filing: 1965-08-12
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Granted: 1968-04-02
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Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 Cecil C Stone
- 👤 Robert H Olp
- 👤 George J Pokorny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:16
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/06; B23K9/073; B23K9/0738; B23K9/067; B23K9/0672
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) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |