Patent US2965774A successfully refreshed from Google Patents.
US2965774A
Expired / Lapsed
US
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Casing structure for portable tool
Assignee: Thor Power Tool Co
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Filing: 1957-07-17
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Granted: 1960-12-20
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Expires: 1977-07-17
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Rangus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:52
CPC Classifications
B; B23; B23B; B23B45/00; B23B45/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1540038A
Cited
FR825304A
Cited
US2319194A
Cited
US2477150A
Cited
US2582229A
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US2763802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |