US2502916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating solid particles in a conditioning fluid
Assignee: Individual
•
Filing: 1946-05-02
•
Granted: 1950-04-04
•
Expires: 1966-05-02
Abstract
No abstract record available.
Inventors
- 👤 Bar Peter Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:39
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2080059A
Cited
US2237091A
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US2297726A
Cited
US2285508A
Cited
US2313956A
Cited
US2381954A
Cited
US2351091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |