US2607252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power driven nut setter
Assignee: KELLER TOOL CO
•
Filing: 1948-10-14
•
Granted: 1952-08-19
•
Expires: 1968-10-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Shaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:18
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/04; B25B23/06; B25B23/065; B25B21/00; B25B21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE445142C
Cited
US2179724A
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US2256012A
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US2322024A
Cited
US2420741A
Cited
US2412275A
Cited
US2506835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |