US2834241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic socket wrench
Assignee: Individual
•
Filing: 1957-03-22
•
Granted: 1958-05-13
•
Expires: 1977-03-22
Abstract
No abstract record available.
Inventors
- 👤 Dale K Chowning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:54
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE24066E
Cited
US2320967A
Cited
US2470399A
Cited
US2651229A
Cited
US2671369A
Cited
US2720804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |