US2466443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing finely divided particles
Assignee: GENEVA PROCESSES Inc
•
Filing: 1944-06-19
•
Granted: 1949-04-05
•
Expires: 1964-06-19
Abstract
No abstract record available.
Inventors
- 👤 Willem J Klaassen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:02
CPC Classifications
B; B02; B02C; B02C15/00; B02C15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE440266C
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US1679093A
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US1774464A
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US1754414A
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US2059116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |