US2457425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing device for resilient structures
Assignee: Individual
•
Filing: 1944-06-23
•
Granted: 1948-12-28
•
Expires: 1964-06-23
Abstract
No abstract record available.
Inventors
- 👤 Merl R Wolfard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:56
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US600401A
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US1762845A
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US1770845A
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US1995248A
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US1903725A
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US2060859A
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US2053226A
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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) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |