US2467094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive article
Assignee: Micromatic Hone Corp
•
Filing: 1949-01-28
•
Granted: 1949-04-12
•
Expires: 1969-01-28
Abstract
No abstract record available.
Inventors
- 👤 Douglas T Peden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:04
CPC Classifications
B; B24; B24B; B24B33/00; B24B33/08; B24B33/086
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
NL36972C
Cited
US1392426A
Cited
US1781856A
Cited
US1872667A
Cited
US2106205A
Cited
US2256495A
Cited
GB543293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |