Patent US2579078A successfully refreshed from Google Patents.
US2579078A
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US
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Metal drawing press
Assignee: Clearing Machine Corp
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Filing: 1947-04-26
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Granted: 1951-12-18
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Expires: 1967-04-26
Abstract
No abstract record available.
Inventors
- 👤 Einar K Johansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:44
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/26; B21; B21D; B21D24/00; B21D24/10; B21D24/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1539085A
Cited
US1433626A
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US1458709A
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US1977549A
Cited
US1986410A
Cited
US2364661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |