US2958164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: WESSON Co
•
Filing: 1957-10-09
•
Granted: 1960-11-01
•
Expires: 1977-10-09
Abstract
No abstract record available.
Inventors
- 👤 Beyer Fred Karl
- 👤 Bader William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:33
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/02; B24B3/00; B24B3/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1337352A
Cited
US1872718A
Cited
DE690666C
Cited
US2497504A
Cited
US2361550A
Cited
US2526518A
Cited
US2661037A
Cited
US2554299A
Cited
US2700992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |