US2473694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually operated hydraulic press
Assignee: Denison Engineering Co
•
Filing: 1945-05-25
•
Granted: 1949-06-21
•
Expires: 1965-05-25
Abstract
No abstract record available.
Inventors
- 👤 Wendell E Renick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:13
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/32; B30B1/326; B30B15/00; B30B15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US528378A
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US546863A
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US629359A
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US1189815A
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US1139263A
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US1387674A
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US1946510A
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US2012721A
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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) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |