US2644520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Length cutting machine
Assignee: LORENTZEN HARDWARE Manufacturing CORP
•
Filing: 1949-12-09
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Granted: 1953-07-07
•
Expires: 1969-12-09
Abstract
No abstract record available.
Inventors
- 👤 Nelson Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:07
CPC Classifications
B; B23; B23D; B23D23/00; B23D23/04; Y; Y10; Y10T; Y10T83/00; Y10T83/404; Y10T83/412
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1195249A
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CH26151A
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US983585A
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US1160885A
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US1336589A
Cited
FR594905A
Cited
US1715612A
Cited
US1715133A
Cited
FR683454A
Cited
GB579067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |