US3413876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power wrench for tightening studs in engine blocks and the like
Assignee: Individual
•
Filing: —
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Granted: 1968-12-03
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Expires: 1985-12-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Shinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:03
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/10; B25B23/103; B25B13/00; B25B13/48; B25B13/50; B25B13/5008; B25B13/5016; B25B13/5075; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17231; Y10T279/17239; Y10T279/17256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |