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US2490695A
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Hydraulic die
Assignee: Individual
•
Filing: 1946-09-11
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Granted: 1949-12-06
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Expires: 1966-09-11
Abstract
No abstract record available.
Inventors
- 👤 Leutheuser Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:10
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/021; B21D26/025; B21D26/031
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1207326A
Cited
US1753680A
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US1878520A
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US1839501A
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US2158312A
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US2101888A
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US2341002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |