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Patent US2806124A successfully refreshed from Google Patents.
US2806124A
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Arc torch and process
Assignee: Union Carbide Corp
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Filing: 1955-07-26
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Granted: 1957-09-10
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Expires: 1975-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert M Gage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:02
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; B; B23; B23K; B23K10/00; H05H1/3478
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2284351A
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US2308510A
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US2587331A
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US2522482A
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US2516016A
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US2686860A
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US2770708A
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US2768279A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |