US3039610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing solids and semisolid materials from solutions
Assignee: Black HR Co
•
Filing: 1959-08-27
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Granted: 1962-06-19
•
Expires: 1979-08-27
Abstract
No abstract record available.
Inventors
- 👤 Hugh R Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:33
CPC Classifications
C; C23; C23C; C23C22/00; B; B01; B01D; B01D33/00; B01D33/04; B01D33/44; B01D33/46; B01D33/463; B01D33/48; B01D33/50; B01D33/58; B01D33/62; B01D33/66; B01D33/666; B01D33/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1880005A
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US1799299A
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US1966626A
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US2086514A
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US2337983A
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US2529882A
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DE888379C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |