Patent US3831329A successfully refreshed from Google Patents.
Patent US2923342A successfully refreshed from Google Patents.
US2923342A
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Elongated channel draw bench for sheet shaping machine operating on the forming-by-drawing principle and having lubricating means for a carriage slidable in said draw bench
Assignee: Individual
•
Filing: 1957-11-01
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Granted: 1960-02-02
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Expires: 1977-11-01
Abstract
No abstract record available.
Inventors
- 👤 Anderson Frohman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:06
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/02
Claims Analysis
Total Claims: 0
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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) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |