US2696910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for separating waste particles from media used in sandblasting
Assignee: Svenska Flaktfabriken AB
•
Filing: 1949-06-07
•
Granted: 1954-12-14
•
Expires: 1969-06-07
Abstract
No abstract record available.
Inventors
- 👤 Ljungdell Erik Ragnar
- 👤 Krantz Karl Gustav Evert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:45
CPC Classifications
B; B24; B24C; B24C9/00; B24C9/006; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 0
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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) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |