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US2623742A
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Pipe-cutting machine
Assignee: LIVESAY IND Inc
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Filing: 1949-01-27
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Granted: 1952-12-30
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Expires: 1969-01-27
Abstract
No abstract record available.
Inventors
- 👤 Everett G Livesay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:18
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/005; B23K7/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH36742A
Cited
US1049807A
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US1176584A
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US1238257A
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US1172933A
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US1684476A
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US1861923A
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US1852413A
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US2063498A
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US2061442A
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US2090431A
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US2242448A
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US2269505A
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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) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |