Patent US2710902A successfully refreshed from Google Patents.
US2710902A
Expired / Lapsed
US
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Rod feed for manual arc welding
Assignee: Union Carbide Corp
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Filing: 1951-01-31
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Granted: 1955-06-14
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Expires: 1971-01-31
Abstract
No abstract record available.
Inventors
- 👤 Frank J Pilia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:24
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1477538A
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US1965331A
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US2205890A
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US2122194A
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US2360160A
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US2398355A
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US2468805A
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US2510205A
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US2505054A
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US2571684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |