Patent US2438344A successfully refreshed from Google Patents.
US2438344A
Expired / Lapsed
US
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Automatic rod feed for metal removal
Assignee: Linde Air Products Co
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Filing: 1945-05-19
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Granted: 1948-03-23
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Expires: 1965-05-19
Abstract
No abstract record available.
Inventors
- 👤 Meincke Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US593918A
Cited
US650124A
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US1775159A
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US2089014A
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US2089029A
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US2089015A
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US2364645A
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US2374610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |