US3385436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic concentrator
Assignee: V. B. West
•
Filing: 1966-05-31
•
Granted: 1968-05-28
•
Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Charles A Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:58
CPC Classifications
B; B07; B07B; B07B11/00; B07B11/04; B07B11/06; B07B4/00; B07B4/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
IN A PNEUMATIC ORE SEPARATOR, OPERATIVELY CONNECTED, A SETTLING CHAMBER, A FAN, A CONDUIT, A FEEDER FOR SAID CHAMBER, SAID SETTLING CHAMBER HAVING A TOP WALL, A REAR WALL, A FRONT WALL, AN INLET ZONE AND AN OUTLET ZONE, THE INLET OF SAID FAN BEING OPERATIVELY CONNECTED TO THE OUTLET ZONE OF SAID SETTLING CHAMBER, SAID FEEDER BEING ATTACHED TO AND DISCHARGING THROUGH THE ROOF OF THE CHAMBER NEAR ITS INLET ZONE, AND DISCHARGE OUTLETS ELONGATED TRANSVERSE TO THE DIRECTION FROM THE INLET OF SAID SETTLING CHAMBER TO THE OUTLET OF SAID SETTLING CHAMBER, SAID DISCHARGE OUTLETS BEING LOCATED CONSECUTIVELY ALONG THE FLOOR OF SAID CHAMBER, EACH OF SAID DISCHARGE OUTLETS COMPRISING FLEXIBLE POCKET MEANS, SLEEVE MEANS, AND A FRAME SUPPORT, SAID FRAME SUPPORT BEING A HOLLOW RECTANGLE SURROUNDING AN ELONGATED RECTANGULAR ORIFICE, SAID POCKET BEING ATTACHED TO SAID FRAME, SAID SLEEVE BEING ATTACHED TO SAID FRAME, SAID FRAME BEING ATTACHED TO AND SUPPORTED ON THE FLOOR OF SAID CHAMBER, EACH SAID POCKET COMPRISING A LEFT WALL, A RIGHT WALL, A FRONT WALL AND A REAR WALL, SAID FRONT WALL AND REAR WALL EACH BEING GENERALLY V-SHAPED, SAID LEFT AND RIGHT WALLS HAVING A TOP AND BOTTOM EDGE, EACH BOTTOM AND TOP EDGE ON EACH WALL BEING GENERALLY PARALLEL TO EACH OTHER, SAID WALLS ALL BEING
Claim 2
Dependent Claim
216 words
IN A PNEUMATIC ORE SEPARATOR, OPERATIVELY CONNECTED, A SETTLING CHAMBER, A FAN, A CONDUIT, A FEEDER FOR SAID CHAMBER, SAID SETTLING CHAMBER HAVING A TOP WALL, A REAR WALL, A FRONT WALL, AN INLET ZONE AND AN OUTLET ZONE, THE INLET OF SAID FAN BEING OPERATIVELY CONNECTED TO THE OUTLET ZONE OF SAID SETTLING CHAMBER, SAID FEEDER BEING ATTACHED TO AND DISCHARGING THROUGH THE ROOF OF THE CHAMBER NEAR ITS INLET ZONE, AND DISCHARGE OUTLETS ELONGATED TRANSVERSE TO THE DIRECTION FROM THE INLET OF SAID SETTLING CHAMBER TO THE OUTLET OF SAID SETTLING CHAMBER, SAID DISCHARGE OUTLETS BEING LOCATED CONSECUTIVELY ALONG THE FLOOR OF SAID CHAMBER, EACH OF SAID DISCHARGE OUTLETS COMPRISING FLEXIBLE POCKET MEANS, SLEEVE MEANS, AND A FRAME SUPPORT, SAID FRAME SUPPORT BEING A HOLLOW RECTANGLE SURROUNDING AN ELONGATED RECTANGULAR ORIFICE, SAID POCKET BEING ATTACHED TO SAID FRAME, SAID SLEEVE BEING ATTACHED TO SAID FRAME, SAID FRAME BEING ATTACHED TO AND SUPPORTED ON THE FLOOR OF SAID CHAMBER, EACH SAID POCKET COMPRISING A LEFT WALL, A RIGHT WALL, A FRONT WALL AND A REAR WALL, SAID FRONT WALL AND REAR WALL EACH BEING GENERALLY V-SHAPED, SAID LEFT AND RIGHT WALLS HAVING A TOP AND BOTTOM EDGE, EACH BOTTOM AND TOP EDGE ON EACH WALL BEING GENERALLY PARALLEL TO EACH OTHER, SAID WALLS ALL BEING
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |