US3232435A
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Assignee: T Shriver and Co Inc
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Filing: 1962-05-18
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Granted: 1966-02-01
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 William L Fismer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:05
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/12; B01D25/172
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A FILTER PRESS COMPRISING A PAIR OF SPACED, SUBSTANTIALLY HORIZONTAL GUIDE MEMBERS, A PLURALITY OF FILTER PLATES BETWEEN SAID GUIDE MEMBERS, MEANS ON SAID FILTER PLATES SLIDABLY ENGAGING SAID GUIDE MEMBERS AND SUPPORTING SAID PLATES SUBSTANTIALLY PERPENDICULAR TO SAID GUIDE MEMBERS, AN ENDLESS FLEXIBLE MEMBER ADJACENT TO EACH GUIDE MEMBER, AND HAVING A PORTION EXTENDING LENGTHWISE OF SAID GUIDE MEMBER, MEANS FOR DRIVING SAID ENDLESS FLEXIBLE MEMBERS, LUGS ON SAID FLEXIBLE MEMBERS MOVABLE THEREWITH LENGTHWISE OF SAID GUIDE MEMBER IN COMMON PLANES PARALLEL WITH SAID PLATES AND IN ENDLESS PATHS, LATCH ELEMENTS ON SAID FILTER PLATES ADJACENT TO SAID GUIDE MEMBERS AND MOVABLE TOWARD AND AWAY FROM SAID FLEXIBLE MEMBERS, MEANS CONTINUOUSLY URGING SAID LATCH ELEMENTS TOWARD SAID FLEXIBLE MEMBERS INTO SAID PATHS OF SAID LUGS FOR SUBSTANTIALLY SIMULTANEOUS ENGAGEMENT THEREWITH TO MOVE SAID PLATES LENGTHWISE OF SAID GUIDE MEMBERS, ROCKER MEMBERS PIVOTALLY MOUNTED ON EACH SIDE OF EACH OF SAID FILTER PLATES AND EACH HAVING AN END CONNECTED WITH A LATCH ELEMENT, AND MOVABLE THEREWITH AND ANOTHER FREE END, SAID FREE ENDS OF SAID ROCKER MEMBERS ENGAGING A SIDE OF THE NEXT ADJACENT PLATE WHEN SAID PLATES ARE IN FILTERING RELATION TO URGE SAID LATCH ELEMENTS OUT OF SAID PATHS OF SAID LUGS.
Claim 2
Dependent Claim
204 words
A FILTER PRESS COMPRISING A PAIR OF SPACED, SUBSTANTIALLY HORIZONTAL GUIDE MEMBERS, A PLURALITY OF FILTER PLATES BETWEEN SAID GUIDE MEMBERS, MEANS ON SAID FILTER PLATES SLIDABLY ENGAGING SAID GUIDE MEMBERS AND SUPPORTING SAID PLATES SUBSTANTIALLY PERPENDICULAR TO SAID GUIDE MEMBERS, AN ENDLESS FLEXIBLE MEMBER ADJACENT TO EACH GUIDE MEMBER, AND HAVING A PORTION EXTENDING LENGTHWISE OF SAID GUIDE MEMBER, MEANS FOR DRIVING SAID ENDLESS FLEXIBLE MEMBERS, LUGS ON SAID FLEXIBLE MEMBERS MOVABLE THEREWITH LENGTHWISE OF SAID GUIDE MEMBER IN COMMON PLANES PARALLEL WITH SAID PLATES AND IN ENDLESS PATHS, LATCH ELEMENTS ON SAID FILTER PLATES ADJACENT TO SAID GUIDE MEMBERS AND MOVABLE TOWARD AND AWAY FROM SAID FLEXIBLE MEMBERS, MEANS CONTINUOUSLY URGING SAID LATCH ELEMENTS TOWARD SAID FLEXIBLE MEMBERS INTO SAID PATHS OF SAID LUGS FOR SUBSTANTIALLY SIMULTANEOUS ENGAGEMENT THEREWITH TO MOVE SAID PLATES LENGTHWISE OF SAID GUIDE MEMBERS, ROCKER MEMBERS PIVOTALLY MOUNTED ON EACH SIDE OF EACH OF SAID FILTER PLATES AND EACH HAVING AN END CONNECTED WITH A LATCH ELEMENT, AND MOVABLE THEREWITH AND ANOTHER FREE END, SAID FREE ENDS OF SAID ROCKER MEMBERS ENGAGING A SIDE OF THE NEXT ADJACENT PLATE WHEN SAID PLATES ARE IN FILTERING RELATION TO URGE SAID LATCH ELEMENTS OUT OF SAID PATHS OF SAID LUGS.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |