US2592781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet wrench
Assignee: Individual
•
Filing: 1951-01-02
•
Granted: 1952-04-15
•
Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Yavner Sylvan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:41
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/02; B25B13/08; B25B13/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US577770A
Cited
US1308440A
Cited
US733525A
Cited
US879155A
Cited
US1615497A
Cited
US1635102A
Cited
US1898388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |