US3261368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stone washer
Assignee: Individual
•
Filing: 1964-02-17
•
Granted: 1966-07-19
•
Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 William E Owens
- 👤 John R Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:00
CPC Classifications
B; B28; B28C; B28C1/00; B28C1/10; B28C1/14; B28C1/20; E; E01; E01C; E01C19/00; E01C19/02; E01C19/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A STONE WASHER COMPRISING A FRAME, AN ENDLESS OPEN MESH CONVEYOR BELT HAVING AN UPPER REACH, A LOWER REACH, A STONE RECEIVING END AND A STONE DISCHARGING END MOUNTED ON SAID FRAME, GRID AND DISTRIBUTING MEANS ADJACENT THE STONE RECEIVING END OF SAID BELT FOR DISTRIBUTING STONE EVENLY ACROSS SAID BELT, FIRST NOZZLE MEANS MOUNTED ABOVE SAID BELT FOR SPRAYING THE STONE WITH WASHING WATER AS THE STONE IS BEING MOVED BY SAID BELT, AND SECOND NOZZLE MEANS ADJACENT THE DISCHARGE END OF SAID BELT AND DIRECTED DOWNWARDLY AND OBLIQUELY ACROSS SAID BELT AT AN ANGLE AGAINST THE DIRECTION OF MOVEMENT OF SAID BELT FOR SPRAYING AND TUMBLING THE STONES ON THE BELT IMMEDIATELY BEFORE THE STONES LEAVE THE DISCHARGING END OF SAID BELT.
Claim 2
Dependent Claim
124 words
A STONE WASHER COMPRISING A FRAME, AN ENDLESS OPEN MESH CONVEYOR BELT HAVING AN UPPER REACH, A LOWER REACH, A STONE RECEIVING END AND A STONE DISCHARGING END MOUNTED ON SAID FRAME, GRID AND DISTRIBUTING MEANS ADJACENT THE STONE RECEIVING END OF SAID BELT FOR DISTRIBUTING STONE EVENLY ACROSS SAID BELT, FIRST NOZZLE MEANS MOUNTED ABOVE SAID BELT FOR SPRAYING THE STONE WITH WASHING WATER AS THE STONE IS BEING MOVED BY SAID BELT, AND SECOND NOZZLE MEANS ADJACENT THE DISCHARGE END OF SAID BELT AND DIRECTED DOWNWARDLY AND OBLIQUELY ACROSS SAID BELT AT AN ANGLE AGAINST THE DIRECTION OF MOVEMENT OF SAID BELT FOR SPRAYING AND TUMBLING THE STONES ON THE BELT IMMEDIATELY BEFORE THE STONES LEAVE THE DISCHARGING END OF SAID BELT.
References Cited (Backward Citations)
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |