Patent US3347384A successfully refreshed from Google Patents.
US3347384A
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Assignee: Individual
•
Filing: 1966-11-28
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Granted: 1967-10-17
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Expires: 1986-11-28
Abstract
No abstract record available.
Inventors
- 👤 Muller Lothar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:50
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/12; B01D25/172; B01D25/32; B01D25/322
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A PLATE-FRAME FILTER PRESS COMPRISING A SERIES OF ALTERNATELY SPACED PAIRS OF PLATES AND FRAMES, ROD MEANS SUPPORTING SAID PLATES AND FRAMES, MEANS FOR MOVING A FRAME AWAY FROM A PRECEDING PLATE OF SAID PAIR AT A PREDETERMINED ANGLE, AND COUPLING MEANS MOUNTED ON THE UPPER PORTION OF EACH PAIR OF PLATES AND FRAMES FOR HOLDING THE UPPER PORTION OF SAID PAIR OF PLATES AND FRAMES ROTATABLY TOGETHER AT SAID ANGLE AND FOR RELEASING THE FRAME AT THE POINT WHERE SAID ANGLE IS EXCEEDED, THE IMPROVEMENT FURTHER COMPRISING FLEXIBLE MEANS CONNECTING THE BOTTOM OF EACH FRAME TO THE BOTTOM OF A PLATE IN A PRECEDING PAIR OF PULLING THE BOTTOM OF THE FRAME ALONG WITH THE BOTTOM OF THE PRECEDING PLATE.
Claim 2
Dependent Claim
122 words
IN A PLATE-FRAME FILTER PRESS COMPRISING A SERIES OF ALTERNATELY SPACED PAIRS OF PLATES AND FRAMES, ROD MEANS SUPPORTING SAID PLATES AND FRAMES, MEANS FOR MOVING A FRAME AWAY FROM A PRECEDING PLATE OF SAID PAIR AT A PREDETERMINED ANGLE, AND COUPLING MEANS MOUNTED ON THE UPPER PORTION OF EACH PAIR OF PLATES AND FRAMES FOR HOLDING THE UPPER PORTION OF SAID PAIR OF PLATES AND FRAMES ROTATABLY TOGETHER AT SAID ANGLE AND FOR RELEASING THE FRAME AT THE POINT WHERE SAID ANGLE IS EXCEEDED, THE IMPROVEMENT FURTHER COMPRISING FLEXIBLE MEANS CONNECTING THE BOTTOM OF EACH FRAME TO THE BOTTOM OF A PLATE IN A PRECEDING PAIR OF PULLING THE BOTTOM OF THE FRAME ALONG WITH THE BOTTOM OF THE PRECEDING PLATE.
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |