Patent US2679571A successfully refreshed from Google Patents.
US2679571A
Expired / Lapsed
US
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Tip welder tool
Assignee: Utica Drop Forge and Tool Corp
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Filing: 1952-11-12
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Granted: 1954-05-25
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Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Chappel Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:39
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/007
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) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |