Patent US3269428A successfully refreshed from Google Patents.
US3269428A
Expired / Lapsed
US
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Method for packaging dry divided solid materials
Assignee: ST Regis Paper Co
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Filing: 1961-10-10
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Granted: 1966-08-30
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Expires: 1981-10-10
Abstract
No abstract record available.
Inventors
- 👤 Ivar H Stockel
- 👤 Oliver R Titchenal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:29
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/16; B65B1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD FOR PACKAGING DRY DIVIDED SOLID MATERIAL COMPRISING: INTRODUCING MATERIAL TO BE PACKAGED INTO BIN MEANS HAVING A MATERIAL DISCHARGE OUTLET, INTRODUCING AIR UNDER PRESSURE INTO SAID BIN MEANS IN THE REGION OF SAID DISCHARGE OUTLET TO FLUIDIZE THE MATERIAL IN SAID BIN MEANS, OPENING SAID MATERIAL DISCHARGE OUTLET WHILE SHUTTING OFF SAID FLUIDIZING AIR, AND ADMITTING AIR UNDER PRESSURE INTO SAID BIN MEANS IN A REGION ABOVE SAID FIRST MENTIONED REGION IN AN AMOUNT GREATER THAN IS REQUIRED FOR FLUIDIZING,
Claim 2
Independent Claim
82 words
A METHOD FOR PACKAGING DRY DIVIDED SOLID MATERIAL COMPRISING: INTRODUCING MATERIAL TO BE PACKAGED INTO BIN MEANS HAVING A MATERIAL DISCHARGE OUTLET, INTRODUCING AIR UNDER PRESSURE INTO SAID BIN MEANS IN THE REGION OF SAID DISCHARGE OUTLET TO FLUIDIZE THE MATERIAL IN SAID BIN MEANS, OPENING SAID MATERIAL DISCHARGE OUTLET WHILE SHUTTING OFF SAID FLUIDIZING AIR, AND ADMITTING AIR UNDER PRESSURE INTO SAID BIN MEANS IN A REGION ABOVE SAID FIRST MENTIONED REGION IN AN AMOUNT GREATER THAN IS REQUIRED FOR FLUIDIZING,
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |