US3358834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for filtering liquids
Assignee: BELSON CORP
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Filing: 1965-02-17
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Granted: 1967-12-19
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Expires: 1985-02-17
Abstract
No abstract record available.
Inventors
- 👤 El-Hindi Ahmad Mahamad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:36
CPC Classifications
B; B01; B01D; B01D37/00; B01D29/00; B01D29/09; B01D29/096; B01D29/60; B01D29/606; B01D29/62; B01D29/66; B01D29/68; B01D36/00; B01D36/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD OF FILTERING SOLIDS FROM A MIXTURE OF IMMISCIBLE LIQUIDS HAVING DIFFERENT SPECIFIC GRAVITIES AND EACH OF WHICH WHEN PASSING THROUGH THE FILTER WILL BLOCK THE FLOW OF THE OTHER LIQUID THERETHROUGH, COMPRISING THE STEPS OF, DIRECTING A FILTER MEDIUM ALONG A GENERALLY HORIZONTAL PATH INCLINED UPWARDLY AT THE ENDS, DELIVERING THE LIQUIDS TO BE FILTERED ONTO THE FILTERING MEDIUM TO FORM A POOL OF THE LIQUID THEREON BETWEEN THE INCLINED ENDS OF THE HORIZONTAL PATH, PRODUCING A PRESSURE LESS THAN ATMOSPHERIC ON THE UNDER SIDE OF SAID MEDIUM TO PROMOTE FLOW OF ONE LIQUID THERETHROUGH, PHYSICALLY DISPLACING THE OTHER LIQUID FLOATING ON THE TOP OF THE LIQUID BEING FILTERED TO ONE END OF THE POOL TO SEGREGATE SAID OTHER LIQUID FROM
Claim 2
Independent Claim
123 words
A METHOD OF FILTERING SOLIDS FROM A MIXTURE OF IMMISCIBLE LIQUIDS HAVING DIFFERENT SPECIFIC GRAVITIES AND EACH OF WHICH WHEN PASSING THROUGH THE FILTER WILL BLOCK THE FLOW OF THE OTHER LIQUID THERETHROUGH, COMPRISING THE STEPS OF, DIRECTING A FILTER MEDIUM ALONG A GENERALLY HORIZONTAL PATH INCLINED UPWARDLY AT THE ENDS, DELIVERING THE LIQUIDS TO BE FILTERED ONTO THE FILTERING MEDIUM TO FORM A POOL OF THE LIQUID THEREON BETWEEN THE INCLINED ENDS OF THE HORIZONTAL PATH, PRODUCING A PRESSURE LESS THAN ATMOSPHERIC ON THE UNDER SIDE OF SAID MEDIUM TO PROMOTE FLOW OF ONE LIQUID THERETHROUGH, PHYSICALLY DISPLACING THE OTHER LIQUID FLOATING ON THE TOP OF THE LIQUID BEING FILTERED TO ONE END OF THE POOL TO SEGREGATE SAID OTHER LIQUID FROM
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |