Patent US3603478A successfully refreshed from Google Patents.
Patent US3276593A successfully refreshed from Google Patents.
US3276593A
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Assignee: Individual
•
Filing: 1962-10-19
•
Granted: 1966-10-04
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Expires: 1982-10-19
Abstract
No abstract record available.
Inventors
- 👤 Katykhovsky Guenna Feodorovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:26
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/20; B01D29/00; B01D29/39; B01D29/395; B01D29/62; B01D29/70; B01D29/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
AN AUTOMATIC FILTER ASSEMBLAGE FOR CYCLIC ACTION OPERATING UNDER VACCUM AS WELL AS PRESSURE CONDITIONS FOR THE FILTRATION OF VARIOUS SUSPENSIONS INCLUDING TOXIC AND RADIANT SUSPENSIONS, COMPRISING A CYLINDRICAL BODY HAVING UPPER AND LOWER ENDS, A BASE FOR THE LOWER END, A COVER FOR THE UPPER END, MEANS FOR PROVIDING A FLUID TIGHT CONNECTION BETWEEN THE COVER AND THE UPPER END OF THE BODY YET PERMITTING VERTICAL MOVEMENT OF THE COVER RELATIVE TO THE BODY, MEANS EXTERIORLY OF THE BODY FOR ELASTICALLY SUPPORTING THE COVER FOR SUCH VERTICAL MOVEMENT, A PLURALITY OF SPACED APART FILTER ELEMENTS ADAPTED TO BE VERTICALLY DISPOSED WITHIN THE BODY, MEANS FOR DETACHABLY AND RIGIDLY SECURING THE FILTER ELEMENTS TO THE COVER, EACH OF SAID FILTER ELEMENTS INCLUDING A PERFORATED PLATE AND A FILTER CLOTH COVERING THE PLATE, A CONICAL GUIDE WITHIN THE BODY BELOW THE FILTER ELEMENTS RIGIDLY SECURED TO THE COVER, MEANS FOR SUPPYLING THE SUSPENSION TO BE TREATED TO THE FILTER ELEMENTS WHEREBY A DEPOSIT ACCUMULATES ON THE FILTER CLOTHS, A FILTRATE COLLECTOR ON THE COVER, CONDUIT MEANS LEADING FROM THE FILTER ELEMENTS TO THE COLLECTOR, MEANS
Claim 2
Dependent Claim
184 words
AN AUTOMATIC FILTER ASSEMBLAGE FOR CYCLIC ACTION OPERATING UNDER VACCUM AS WELL AS PRESSURE CONDITIONS FOR THE FILTRATION OF VARIOUS SUSPENSIONS INCLUDING TOXIC AND RADIANT SUSPENSIONS, COMPRISING A CYLINDRICAL BODY HAVING UPPER AND LOWER ENDS, A BASE FOR THE LOWER END, A COVER FOR THE UPPER END, MEANS FOR PROVIDING A FLUID TIGHT CONNECTION BETWEEN THE COVER AND THE UPPER END OF THE BODY YET PERMITTING VERTICAL MOVEMENT OF THE COVER RELATIVE TO THE BODY, MEANS EXTERIORLY OF THE BODY FOR ELASTICALLY SUPPORTING THE COVER FOR SUCH VERTICAL MOVEMENT, A PLURALITY OF SPACED APART FILTER ELEMENTS ADAPTED TO BE VERTICALLY DISPOSED WITHIN THE BODY, MEANS FOR DETACHABLY AND RIGIDLY SECURING THE FILTER ELEMENTS TO THE COVER, EACH OF SAID FILTER ELEMENTS INCLUDING A PERFORATED PLATE AND A FILTER CLOTH COVERING THE PLATE, A CONICAL GUIDE WITHIN THE BODY BELOW THE FILTER ELEMENTS RIGIDLY SECURED TO THE COVER, MEANS FOR SUPPYLING THE SUSPENSION TO BE TREATED TO THE FILTER ELEMENTS WHEREBY A DEPOSIT ACCUMULATES ON THE FILTER CLOTHS, A FILTRATE COLLECTOR ON THE COVER, CONDUIT MEANS LEADING FROM THE FILTER ELEMENTS TO THE COLLECTOR, MEANS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |