Patent US5495484A successfully refreshed from Google Patents.
US3333702A
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Assignee: Individual
•
Filing: 1965-02-26
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Granted: 1967-08-01
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Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 Muller Lothar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:34
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/12; B01D25/172; B01D25/32; B01D25/322
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PLATE-FRAME FILTER PRESS COMPRISING IN COMBINATION 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 PAIRS AT A PREDETERMINED ANGLE, COUPLING MEANS MOUNTED ON THE UPPER PORTION OF EACH PAIR OF PLATES AND FRAMES HOLDING THE UPPER PORTION OF EACH PAIR OF PLATES AND FRAMES ROTATABLY TOGETHER AT SIAD ANGLE AND ADAPTED TO RELEASE THE FRAME AT THE POINT SAID ANGLE IS EXCEEDED.
Claim 2
Dependent Claim
84 words
A PLATE-FRAME FILTER PRESS COMPRISING IN COMBINATION 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 PAIRS AT A PREDETERMINED ANGLE, COUPLING MEANS MOUNTED ON THE UPPER PORTION OF EACH PAIR OF PLATES AND FRAMES HOLDING THE UPPER PORTION OF EACH PAIR OF PLATES AND FRAMES ROTATABLY TOGETHER AT SIAD ANGLE AND ADAPTED TO RELEASE THE FRAME AT THE POINT SAID ANGLE IS EXCEEDED.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |