US2439995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Securing device
Assignee: Individual
•
Filing: 1944-04-11
•
Granted: 1948-04-20
•
Expires: 1964-04-11
Abstract
No abstract record available.
Inventors
- 👤 Orville W Thrailkill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:09
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/60; A61B17/64; A61B17/6441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US990065A
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FR789882A
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US2381050A
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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) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |