Patent US3189061A successfully refreshed from Google Patents.
US3189061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low head force flow packer
Assignee: ST Regis Paper Co
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Filing: 1963-06-14
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Granted: 1965-06-15
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Ivar H Stockel
- 👤 Oliver R Titchenal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:59
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18; B65B1/16; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1641
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
124 words
APPARATUS FOR DISPENSING DIVIDED MATERIAL, COMPRISING: AN ELONGATED, VERTICAL DISPOSED BIN HAVING AN UPPER RECEIVING INLET AND RELEASABLE CLOSURE MEANS THEREFOR, A CONDUIT HAVING ONE END THEREOF IN COMMUNICATION WITH THE BASE OF SAID BIN, SAID CONDUIT EXTENDING UPWARD SUBSTANTIALLY PARALLEL IN SAID BIN AND HAVING THE OUTER SUBTHEREOF DISPOSED ADJACENT THE UPPER PORTION OF SAID BIN, SAID UPPER PORTION OF SAID CONDUIT BEING DISPOSED SUBSTANTIALLY PERPENDICULAR TO THE SIDE WALLS OF SAID BIN, A BAG FILLING SPOUT COMMUNICATING WITH THE UPPER PORTION OF SAID CONDUIT, MEANS FOR INJECTING AIR UNDER PRESSURE INTO SAID BIN FOR DISPENSING SAID MATERIAL THEREFROM THROUGH SAID CONDUIT, MEANS FOR TERMINATING SUCH INJECTION OF AIR AND VENTING SAID BIN TO TERMINTE THE FLOW OF MATERIAL THROUGH SAID FILLING SPOUT.
Claim 2
Dependent Claim
124 words
APPARATUS FOR DISPENSING DIVIDED MATERIAL, COMPRISING: AN ELONGATED, VERTICAL DISPOSED BIN HAVING AN UPPER RECEIVING INLET AND RELEASABLE CLOSURE MEANS THEREFOR, A CONDUIT HAVING ONE END THEREOF IN COMMUNICATION WITH THE BASE OF SAID BIN, SAID CONDUIT EXTENDING UPWARD SUBSTANTIALLY PARALLEL IN SAID BIN AND HAVING THE OUTER SUBTHEREOF DISPOSED ADJACENT THE UPPER PORTION OF SAID BIN, SAID UPPER PORTION OF SAID CONDUIT BEING DISPOSED SUBSTANTIALLY PERPENDICULAR TO THE SIDE WALLS OF SAID BIN, A BAG FILLING SPOUT COMMUNICATING WITH THE UPPER PORTION OF SAID CONDUIT, MEANS FOR INJECTING AIR UNDER PRESSURE INTO SAID BIN FOR DISPENSING SAID MATERIAL THEREFROM THROUGH SAID CONDUIT, MEANS FOR TERMINATING SUCH INJECTION OF AIR AND VENTING SAID BIN TO TERMINTE THE FLOW OF MATERIAL THROUGH SAID FILLING SPOUT.
Claim 3
Dependent Claim
83 words
APPARATUS FOR DISPENSING BIRD SEED OR THE LIKE GRANULAR MATERIAL, COMPRISING: A CLOSED BIN HAVING AN UPPER RECEIVING INLET AND CLOSURE MEANS THEREFOR, A LOWER DISPENSING OUTLET FOR SAID BIN, A BAG FILLING SPOUT CONNECTED TO SAID OUTLET, MEANS FOR INJECTING AIR UNDER PRESSURE INTO SAID BIN FOR DISPENSING SAID MATERIAL THEREFROM THROUGH SAID SPOUT, SAID OUTLET BEING OF REDUCED DIMENSIONS SUCH THAT DURING AIR PRESSURIZATION SAID MATERIAL FLOWS THERETHROUGH AND WHEN SUCH PRESSURIZATION IS TERMINATED THE FLOW OF SAID MATERIAL IS TERMINATED.
Claim 4
Dependent Claim
83 words
APPARATUS FOR DISPENSING BIRD SEED OR THE LIKE GRANULAR MATERIAL, COMPRISING: A CLOSED BIN HAVING AN UPPER RECEIVING INLET AND CLOSURE MEANS THEREFOR, A LOWER DISPENSING OUTLET FOR SAID BIN, A BAG FILLING SPOUT CONNECTED TO SAID OUTLET, MEANS FOR INJECTING AIR UNDER PRESSURE INTO SAID BIN FOR DISPENSING SAID MATERIAL THEREFROM THROUGH SAID SPOUT, SAID OUTLET BEING OF REDUCED DIMENSIONS SUCH THAT DURING AIR PRESSURIZATION SAID MATERIAL FLOWS THERETHROUGH AND WHEN SUCH PRESSURIZATION IS TERMINATED THE FLOW OF SAID MATERIAL IS TERMINATED.
References Cited (Backward Citations)
US1972026A
Cited
US2124018A
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US2221741A
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US2255438A
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US2559634A
Cited
US2770439A
Cited
US2924489A
Cited
US2936994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |