US3305140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry chip sprayer
Assignee: WASHINGTON
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Filing: 1965-03-26
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Granted: 1967-02-21
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Expires: 1985-03-26
Abstract
No abstract record available.
Inventors
- 👤 Claris E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:41
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/1472; B05B7/1481; B05B7/1486; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A DRY CHIP SPRAYER, COMPRISING A SOURCE OF AIR UNDER PRESSURE; A CLOSED TANK ADAPTED TO HOLD CHIPS TO BE SPRAYED AND HAVING AN INLET PORT MEANS THERETO, DISCHARGE PORT MEANS THEREFROM AND A CURVED INTERIOR SURFACE HAVING A LOW POINT IN THE PATH OF AIR ENTERING THE TANK THROUGH THE INLET PORT MEANS, SAID SURFACE CURVING UPWARDLY FROM SAID LOW POINT TO SAID DISCHARGE PORT MEANS; CONDUIT MEANS INTERCONNECTING SAID SOURCE OF AIR AND THE INLET PORT MEANS OF THE TANK WHEREBY AIR FROM SAID SOURCE IS DIRECTED INTO THE TANK; A DISTRIBUTING NOZZLE, A HOSE INTERCONNECTING THE OUTLET PORT MEANS FROM THE TANK AND THE DISTRIBUTING NOZZLE, WHEREBY AIR AND ENTRAINED PARTICLES LEAVING THE TANK PASS THROUGH THE NOZZLE; AND MEANS FOR DIVERTING A SELECTED AMOUNT OF THE AIR PASSING THROUGH THE CONDUIT
Claim 2
Dependent Claim
135 words
A DRY CHIP SPRAYER, COMPRISING A SOURCE OF AIR UNDER PRESSURE; A CLOSED TANK ADAPTED TO HOLD CHIPS TO BE SPRAYED AND HAVING AN INLET PORT MEANS THERETO, DISCHARGE PORT MEANS THEREFROM AND A CURVED INTERIOR SURFACE HAVING A LOW POINT IN THE PATH OF AIR ENTERING THE TANK THROUGH THE INLET PORT MEANS, SAID SURFACE CURVING UPWARDLY FROM SAID LOW POINT TO SAID DISCHARGE PORT MEANS; CONDUIT MEANS INTERCONNECTING SAID SOURCE OF AIR AND THE INLET PORT MEANS OF THE TANK WHEREBY AIR FROM SAID SOURCE IS DIRECTED INTO THE TANK; A DISTRIBUTING NOZZLE, A HOSE INTERCONNECTING THE OUTLET PORT MEANS FROM THE TANK AND THE DISTRIBUTING NOZZLE, WHEREBY AIR AND ENTRAINED PARTICLES LEAVING THE TANK PASS THROUGH THE NOZZLE; AND MEANS FOR DIVERTING A SELECTED AMOUNT OF THE AIR PASSING THROUGH THE CONDUIT
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |