US3233584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating process and apparatus
Assignee: Polymer Corp
•
Filing: 1958-07-18
•
Granted: 1966-02-08
•
Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Angstadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:07
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/18; B05D1/22; B05D1/24; B05C; B05C19/00; B05C19/02; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A COATING APPARATUS OF THE TYPE FOIR THE PRODUCTION OF SINTERED COATINGS ON ARTICLES, A COATING CHAMBER WITH UPSTANDING WALL RETAINING MEANS, SAID COATING CHAMBER HAVING AN OPEN TOP PERMITTING THE EASY INSERTION OF ARTICLES TO BE COATED THEREIN AND A GAS PERMEABLE BOTTOM IMPERVIOUS TO AND ADAPTED TO SUPPORT A BED OF PULVERULENT FLUIDIZABLE COATING MATERIAL THEREON, MEANS TO INSERT A GAS UNDER PRESSURE FROM BELOW SAID GAS PERMEABLE BOTTOM TO PASS THROUGH SAID BOTTOM INTO SAID COATING CHAMBER IN A SUBSTANTIALLY VERTICAL DIRECTION TO THEREBY FORM A FLUIDIZED BED OF COATING MATERIAL IN THE COATING CHAMBER, AND AUXIALIARY MOTION MEANS WITHIN THE COATING CHAMBER, SAID AUXILIARY MOTION MEANS COMPRISING AN AIR JET DE-
Claim 2
Dependent Claim
116 words
IN A COATING APPARATUS OF THE TYPE FOIR THE PRODUCTION OF SINTERED COATINGS ON ARTICLES, A COATING CHAMBER WITH UPSTANDING WALL RETAINING MEANS, SAID COATING CHAMBER HAVING AN OPEN TOP PERMITTING THE EASY INSERTION OF ARTICLES TO BE COATED THEREIN AND A GAS PERMEABLE BOTTOM IMPERVIOUS TO AND ADAPTED TO SUPPORT A BED OF PULVERULENT FLUIDIZABLE COATING MATERIAL THEREON, MEANS TO INSERT A GAS UNDER PRESSURE FROM BELOW SAID GAS PERMEABLE BOTTOM TO PASS THROUGH SAID BOTTOM INTO SAID COATING CHAMBER IN A SUBSTANTIALLY VERTICAL DIRECTION TO THEREBY FORM A FLUIDIZED BED OF COATING MATERIAL IN THE COATING CHAMBER, AND AUXIALIARY MOTION MEANS WITHIN THE COATING CHAMBER, SAID AUXILIARY MOTION MEANS COMPRISING AN AIR JET DE-
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |