US2557628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut-holding attachment for wrenches
Assignee: Individual
•
Filing: 1948-05-08
•
Granted: 1951-06-19
•
Expires: 1968-05-08
Abstract
No abstract record available.
Inventors
- 👤 Maximilian C Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:53
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/10; B25B23/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352461A
Cited
US1550436A
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US1543338A
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US1641252A
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US1620960A
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US1635102A
Cited
US1745560A
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US2184340A
Cited
US2369400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |