US3345111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for dispensing materials
Assignee: Possis Machine Corp
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Filing: 1966-05-25
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Granted: 1967-10-03
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Expires: 1986-05-25
Abstract
No abstract record available.
Inventors
- 👤 John L Bies
- 👤 Gene M Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:34
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/1472; B29; B29C; B29C31/00; B29C31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN APPARATUS FOR DISPENSING PARTICULATE MATERIAL COMPRISING: (A) TANK MEANS HAVING A FIRST CHAMBER AND A SECOND CHAMBER, EACH CHAMBER STORING PARTICULATE MATERIAL MEANS AT THE BOTTOM OF BOTH THE FIRST CHAMBER AND THE SECOND CHAMBER FOR INTRODUCING A GAS UPWARDLY INTO THE PARTICULATE MATERIAL THEREBY FLUIDIZING SAID MATERIAL IN EACH CHAMBER, (B) FIRST MATERIAL TRANSPORTING MEANS OPERABLE TO MOVE FLUIDIZED MATERIAL FROM THE FIRST CHAMBER INTO THE SECOND CHAMBER TO MAINTAIN A SELECTED LEVEL OF FLUIDIZED MATERIAL IN THE SECOND CHAMBER, (C) MEANS FOR DIRECTING FLUIDIZED MATERIAL IN AT LEAST ONE DIRECTION, AND
Claim 2
Independent Claim
94 words
AN APPARATUS FOR DISPENSING PARTICULATE MATERIAL COMPRISING: (A) TANK MEANS HAVING A FIRST CHAMBER AND A SECOND CHAMBER, EACH CHAMBER STORING PARTICULATE MATERIAL MEANS AT THE BOTTOM OF BOTH THE FIRST CHAMBER AND THE SECOND CHAMBER FOR INTRODUCING A GAS UPWARDLY INTO THE PARTICULATE MATERIAL THEREBY FLUIDIZING SAID MATERIAL IN EACH CHAMBER, (B) FIRST MATERIAL TRANSPORTING MEANS OPERABLE TO MOVE FLUIDIZED MATERIAL FROM THE FIRST CHAMBER INTO THE SECOND CHAMBER TO MAINTAIN A SELECTED LEVEL OF FLUIDIZED MATERIAL IN THE SECOND CHAMBER, (C) MEANS FOR DIRECTING FLUIDIZED MATERIAL IN AT LEAST ONE DIRECTION, AND
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |