Patent US3049097A successfully refreshed from Google Patents.
US3049097A
Expired / Lapsed
US
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Hydraulic pneumatic driving tool
Assignee: Individual
•
Filing: 1959-09-29
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Granted: 1962-08-14
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 Kershaw John Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:57
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/06; B25D9/12; B25D9/14; B25D9/145; E; E01; E01C; E01C23/00; E01C23/06; E01C23/12; E01C23/122; E01C23/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US580154A
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US724811A
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US1288472A
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US1574762A
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US1812533A
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US2409254A
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US2429780A
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US2669840A
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US2674138A
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US2789540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |