US2419529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contour cutter grinder
Assignee: Individual
•
Filing: 1942-07-01
•
Granted: 1947-04-29
•
Expires: 1962-07-01
Abstract
No abstract record available.
Inventors
- 👤 Oscar M Braaten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:13
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/02; B24B3/08; B24B3/085
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US439154A
Cited
US1616056A
Cited
US1472827A
Cited
US1689135A
Cited
US1950491A
Cited
US1835476A
Cited
US1961242A
Cited
US2127614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |