US2987413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing continuous coatings
Assignee: Polymer Corp
•
Filing: 1959-03-23
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Granted: 1961-06-06
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Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Conrad J Dettling
- 👤 Robert E Hartline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:26
CPC Classifications
B; B05; B05C; B05C19/00; Y; Y10; Y10S; Y10S118/00; Y10S118/05; Y10S264/00; Y10S264/51; Y10S297/00; Y10S297/02; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A PROCESS FOR THE APPLICATION OF A CONTINUOUS COATING TO AN ARTICLE COMPRISING HEATING THE ARTICLE TO A PREDETERMINED TEMPERATURE, FORMING A BED OF COATING MATERIAL COMPRISING A MIXTURE OF A GAS AND A PULVERULENT COATING MATERIAL, AT LEAST A PORTION OF THE MIXTURE HAVING A GAS-TO-COATING MATERIAL RATIO IN THE RANGE OF FROM THAT OF A COMPLETELY FLUIDIZED DENSE PHASE FLUIDIZED BED OF THE COATING MATERIAL TO THAT OF A BED OF SUBSTANTIALLY IMMOBILE PARTICLES OF THE COATING MATERIAL AT ITS MAXIMUM SELF-SUPPORTING VOLUME, AND AT LEAST A PORTION OF THE MIXTURE HAVING A GAS-TO-COATING MATERIAL RATIO IN THE RANGE OF FROM THAT OF A BED OF SUBSTANTIALLY IMMOBILE PARTICLES OF THE COATING MATERIAL AT ITS MAXIMUM SELF-SUPPORTING VOLUME TO THAT OF AN UNRAREFIED POWDER, AND IMMERSING THE ARTICLE IN THE BED SO THAT AT LEAST A PORTION OF THE SURFACE OF THE ARTICLE COMES INTO CONTACT WITH SAID SECOND NAMED PORTION.
Claim 2
Dependent Claim
153 words
A PROCESS FOR THE APPLICATION OF A CONTINUOUS COATING TO AN ARTICLE COMPRISING HEATING THE ARTICLE TO A PREDETERMINED TEMPERATURE, FORMING A BED OF COATING MATERIAL COMPRISING A MIXTURE OF A GAS AND A PULVERULENT COATING MATERIAL, AT LEAST A PORTION OF THE MIXTURE HAVING A GAS-TO-COATING MATERIAL RATIO IN THE RANGE OF FROM THAT OF A COMPLETELY FLUIDIZED DENSE PHASE FLUIDIZED BED OF THE COATING MATERIAL TO THAT OF A BED OF SUBSTANTIALLY IMMOBILE PARTICLES OF THE COATING MATERIAL AT ITS MAXIMUM SELF-SUPPORTING VOLUME, AND AT LEAST A PORTION OF THE MIXTURE HAVING A GAS-TO-COATING MATERIAL RATIO IN THE RANGE OF FROM THAT OF A BED OF SUBSTANTIALLY IMMOBILE PARTICLES OF THE COATING MATERIAL AT ITS MAXIMUM SELF-SUPPORTING VOLUME TO THAT OF AN UNRAREFIED POWDER, AND IMMERSING THE ARTICLE IN THE BED SO THAT AT LEAST A PORTION OF THE SURFACE OF THE ARTICLE COMES INTO CONTACT WITH SAID SECOND NAMED PORTION.
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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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |