Patent US2546458A successfully refreshed from Google Patents.
US2546458A
Expired / Lapsed
US
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Work holder for use in welding
Assignee: H&L Tooth Co
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Filing: 1947-11-14
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Granted: 1951-03-27
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Expires: 1967-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ernie L Launder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:11
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/0426; B23K37/0452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US769955A
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US1580924A
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US1732081A
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US1930642A
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US2304493A
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US2289597A
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US2353891A
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US2429669A
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US2451733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |