Patent US3285422A successfully refreshed from Google Patents.
US3285422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sand trap
Assignee: —
•
Filing: —
•
Granted: 1966-11-15
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Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:30
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/08; B04C5/081; B01; B01D; B01D21/00; B01D21/0039; B01D21/0042; B01D21/10; B01D21/24; B01D21/2405; B01D21/2411; B01D21/2433; B01D21/2444; B01D21/26; B01D21/267; B01D2221/00; B01D2221/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A DEVICE FOR SEPARATING SAND FROM WATER, INCLUDING A CASING HAVING A GENERALLY CYLINDRICAL ENCLOSING SIDE WALL FORMED ABOUT A SUBSTANTIALLY VARTICAL CENTRAL AXIS, A BOTTOM WALL AND A TOP WALL, AN INLET IN SAID SIDE WALL ARRANGED TO DIRECT SAND BEARING WATER THEREFROM INTO SAID CASING ALONG A PATH OFFSET FROM SAID AXIS AND SPACED FROM SAID SIDE WALL AND THEREBY PRODUCE ROTATION OF WATER ABOUT SAID AXIS, A BAFFLE EXTENDING RADIALLY INWARDLY FROM SAID WALL SUBSTANTIALLY PERPENDICULARLY TO SIAD AXIS AND LOCATED ABOVE SAID BOTTOM WALL AND BENEATH SAID INLET, A SAND STORAGE CHAMBER IN SAID CASING BETWEEN SAID BAFFLE AND SAID BOTTOM WALL, MEANS INCLUDING RIB MEANS IN SAID STORAGE CHAMBER FOR RETARDING THE ROTATION OF SAND AND WATER THEREIN, SAID BAFFLE HAVING A CENTRAL OPENING FOR THE PASSAGE OF SAND FROM A LOCATION ABOVE SAID BAFFLE TO SAID STORAGE CHAMBER, SAID BAFFLE BEING OTHERWISE SUBSTANTIALLY IMPERFORATE, AND A WATEWR OUTLET IN SAID SIDE WALL LOCATED ABOVE SAID INLET AND BAFFLE MEANS DISPOSED BETWEEN SAID INLET AND SAID OUTLET FOR PREVENTING THE DIRECT FLOW OF WATER FROM SAID INLET TO SAID OUTLET WITHOUT PREVENTING THE DIRECT FLOW OF SAND FROM SAID INLET TO SAID CENTRAL OPENING.
Claim 2
Independent Claim
199 words
A DEVICE FOR SEPARATING SAND FROM WATER, INCLUDING A CASING HAVING A GENERALLY CYLINDRICAL ENCLOSING SIDE WALL FORMED ABOUT A SUBSTANTIALLY VARTICAL CENTRAL AXIS, A BOTTOM WALL AND A TOP WALL, AN INLET IN SAID SIDE WALL ARRANGED TO DIRECT SAND BEARING WATER THEREFROM INTO SAID CASING ALONG A PATH OFFSET FROM SAID AXIS AND SPACED FROM SAID SIDE WALL AND THEREBY PRODUCE ROTATION OF WATER ABOUT SAID AXIS, A BAFFLE EXTENDING RADIALLY INWARDLY FROM SAID WALL SUBSTANTIALLY PERPENDICULARLY TO SIAD AXIS AND LOCATED ABOVE SAID BOTTOM WALL AND BENEATH SAID INLET, A SAND STORAGE CHAMBER IN SAID CASING BETWEEN SAID BAFFLE AND SAID BOTTOM WALL, MEANS INCLUDING RIB MEANS IN SAID STORAGE CHAMBER FOR RETARDING THE ROTATION OF SAND AND WATER THEREIN, SAID BAFFLE HAVING A CENTRAL OPENING FOR THE PASSAGE OF SAND FROM A LOCATION ABOVE SAID BAFFLE TO SAID STORAGE CHAMBER, SAID BAFFLE BEING OTHERWISE SUBSTANTIALLY IMPERFORATE, AND A WATEWR OUTLET IN SAID SIDE WALL LOCATED ABOVE SAID INLET AND BAFFLE MEANS DISPOSED BETWEEN SAID INLET AND SAID OUTLET FOR PREVENTING THE DIRECT FLOW OF WATER FROM SAID INLET TO SAID OUTLET WITHOUT PREVENTING THE DIRECT FLOW OF SAND FROM SAID INLET TO SAID CENTRAL OPENING.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |