Patent US3112220A successfully refreshed from Google Patents.
US3112220A
Expired / Lapsed
US
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Method and apparatus for coating particles
Assignee: Abbott Laboratories
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Filing: 1960-02-26
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Granted: 1963-11-26
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert L Heiser
- 👤 Lowenthal Werner
- 👤 Robert E Singiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:55
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/18; B05D1/22; A; A61; A61J; A61J3/00; A61J3/005; A61K; A61K9/00; A61K9/20; A61K9/28; B01; B01J; B01J2/00; B01J2/003; B01J8/00; B01J8/18; B01J8/24; B01J8/245; C; C09; C09B; C09B67/00; C09B67/0001; C09B67/0004; C09B67/0071; C09B67/0092; C09B67/0095; Y; Y10; Y10S; Y10S159/00; Y10S159/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A METHOD OF COATING PARTICLES OF A COLUMNAR BED OF PARTICLES, COMPRISING THE STEPS OF: PROVIDING A COLUMNAR BED OF PARTICLES, SAID COLUMNAR BED OF PARTICLES CONSISTING OF A VERTICALLY EXTENDING MAJOR PORTION AND A VERTICALLY EXTENDING MINOR PORTION, SAID MINOR PORTION BEING SUBSTANTIALLY SMALLER THAN SAID MAJOR PORTION, DIRECTING A STREAM OF GAS UPWARDLY THROUGH SAID COLUMNAR BED OF PARTICLES TO FORM AN UPWARDLY MOVING SPOUT OF PARTICLES SO THAT SAID MINOR PORTION OF SAID COLUMNAR BED OF PARTICLES SPOUTS UPWARDLY, ONLY SAID MINOR PORTION BEING SUPPORTED BY SAID STREAM OF GAS, THE UPPERMOST PARTICLES OF SAID UPWARDLY SPOUTING MINOR PORTION BEING CARRIED UPWARDLY BEYOND THE COLUMNAR BED AND OUTWARDLY OF SAID MINOR PORTION OF SAID COLUMNAR BED AND THEN FALLING DOWNWARDLY ONTO THE MAJOR PORTION OF SAID COLUMNAR BED, SAID MAJOR PORTION OF SAID COLUMNAR BED MOVING DOWNWARDLY AS PARTICLES OF SAID MAJOR PORTION ENTER SAID MINOR PORTION
Claim 2
Independent Claim
150 words
A METHOD OF COATING PARTICLES OF A COLUMNAR BED OF PARTICLES, COMPRISING THE STEPS OF: PROVIDING A COLUMNAR BED OF PARTICLES, SAID COLUMNAR BED OF PARTICLES CONSISTING OF A VERTICALLY EXTENDING MAJOR PORTION AND A VERTICALLY EXTENDING MINOR PORTION, SAID MINOR PORTION BEING SUBSTANTIALLY SMALLER THAN SAID MAJOR PORTION, DIRECTING A STREAM OF GAS UPWARDLY THROUGH SAID COLUMNAR BED OF PARTICLES TO FORM AN UPWARDLY MOVING SPOUT OF PARTICLES SO THAT SAID MINOR PORTION OF SAID COLUMNAR BED OF PARTICLES SPOUTS UPWARDLY, ONLY SAID MINOR PORTION BEING SUPPORTED BY SAID STREAM OF GAS, THE UPPERMOST PARTICLES OF SAID UPWARDLY SPOUTING MINOR PORTION BEING CARRIED UPWARDLY BEYOND THE COLUMNAR BED AND OUTWARDLY OF SAID MINOR PORTION OF SAID COLUMNAR BED AND THEN FALLING DOWNWARDLY ONTO THE MAJOR PORTION OF SAID COLUMNAR BED, SAID MAJOR PORTION OF SAID COLUMNAR BED MOVING DOWNWARDLY AS PARTICLES OF SAID MAJOR PORTION ENTER SAID MINOR PORTION
References Cited (Backward Citations)
US2561392A
Cited
US2586818A
Cited
US2648609A
Cited
US2708622A
Cited
US2865868A
Cited
US2768095A
Cited
US2986475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |