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 13:16
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1776057A
Cited
US1863378A
Cited
US2219883A
Cited
US2326347A
Cited
US2373664A
Cited
US2425793A
Cited
US2396498A
Cited
US2508997A
Cited
US2636583A
Cited
US2684738A
Cited
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 |