US2782564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal abrading machine
Assignee: Centriblast Corp
•
Filing: 1954-10-11
•
Granted: 1957-02-26
•
Expires: 1974-10-11
Abstract
No abstract record available.
Inventors
- 👤 Arno J Liebman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:06
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/02; B24C3/04; B24C5/00; B24C5/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US469642A
Cited
US1836272A
Cited
US1876688A
Cited
US2170831A
Cited
US2274172A
Cited
US2352588A
Cited
US2455514A
Cited
US2507166A
Cited
US2460989A
Cited
US2554858A
Cited
US2532136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |