US3000244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated rotary impact wrench
Assignee: MASTER POWER CORP
•
Filing: 1958-09-22
•
Granted: 1961-09-19
•
Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Sturrock James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:41
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02; B25B21/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2256496A
Cited
US2425793A
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US2514914A
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US2543979A
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US2636583A
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US2711662A
Cited
US2786376A
Cited
US2821276A
Cited
US2842994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |