Patent US2924911A successfully refreshed from Google Patents.
US2924911A
Expired / Lapsed
US
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Blast finishing machine
Assignee: Wheelabrator Corp
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Filing: 1959-05-07
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Granted: 1960-02-16
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Expires: 1979-05-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Leliaert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:22
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/40; F16J15/43; B; B22; B22D; B22D29/00; B22D29/001; B22D29/006; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2224505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |