Patent US2420222A successfully refreshed from Google Patents.
US2943652A
Expired / Lapsed
US
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Power operated tool for feeding and driving headed fasteners
Assignee: Motors Liquidation Co
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Filing: 1955-12-06
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Granted: 1960-07-05
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Expires: 1975-12-06
Abstract
No abstract record available.
Inventors
- 👤 William D Chilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:21
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/04; B25B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1945741A
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US2374558A
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US2517113A
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US2534140A
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US2544165A
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US2607252A
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US2670770A
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US2657721A
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US2770269A
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GB704991A
Cited
US2689589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |