US2749673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine set-up means
Assignee: Landis Tool Co
•
Filing: 1953-02-19
•
Granted: 1956-06-12
•
Expires: 1973-02-19
Abstract
No abstract record available.
Inventors
- 👤 Balsiger Harold Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:41
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2233; B23Q17/225; B24; B24B; B24B41/00
Claims Analysis
Total Claims: 0
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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) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |