Patent US2144812A successfully refreshed from Google Patents.
US2541196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck wrench
Assignee: Individual
•
Filing: 1948-05-18
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Granted: 1951-02-13
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Expires: 1968-05-18
Abstract
No abstract record available.
Inventors
- 👤 Milford E Brague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:00
CPC Classifications
B; B25; B25B; B25B33/00; B25B33/005; B25B15/00; B25B15/001; B25B15/004; B25B15/008; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17821
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |