US2445194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: LION Manufacturing CORP
•
Filing: 1943-10-30
•
Granted: 1948-07-13
•
Expires: 1963-10-30
Abstract
No abstract record available.
Inventors
- 👤 Umbdenstock Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:19
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/24; B24B3/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |