Patent US3525593A successfully refreshed from Google Patents.
US3525593A
Expired / Lapsed
US
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Fluid reactor
Assignee: JEROME B THOMPSON
•
Filing: 1967-11-08
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Granted: 1970-08-25
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Expires: 1987-11-08
Abstract
No abstract record available.
Inventors
- 👤 Jerome B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:09
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/45; B01F33/452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE147374C
Cited
US1034400A
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US2829954A
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US2951689A
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US3127855A
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US3347634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |