US3393720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable impact tools
Assignee: Individual
•
Filing: 1967-09-11
•
Granted: 1968-07-23
•
Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 John M Fenlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
B; B25; B25D; B25D1/00; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021; Y10T403/7024; Y10T403/76
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2846277A
Cited
GB865287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |