US2786376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary impact tool
Assignee: Individual
•
Filing: 1954-01-18
•
Granted: 1957-03-26
•
Expires: 1974-01-18
Abstract
No abstract record available.
Inventors
- 👤 Earl G Roggenburk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1776057A
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US1863378A
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US2219883A
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US2326347A
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US2373664A
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US2425793A
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US2396498A
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US2508997A
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US2636583A
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US2684738A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |