US2603145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling mechanism for hydraulically actuated press brakes
Assignee: Individual
•
Filing: 1950-04-25
•
Granted: 1952-07-15
•
Expires: 1970-04-25
Abstract
No abstract record available.
Inventors
- 👤 Edward M Dreis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/24; Y; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1948951A
Cited
US1900050A
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US2309944A
Cited
US2343167A
Cited
US2328258A
Cited
US2353388A
Cited
US2353389A
Cited
US2558960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |