US3138483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating interior of hollow body
Assignee: Polymer Processes Inc
•
Filing: 1960-01-11
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Granted: 1964-06-23
•
Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Conrad J Dettling
- 👤 Jr Carl W Dames
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:35
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/22; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
APPARATUS FOR COATING THE INTERIOR OF A HOLLOW ELONGATE BODY HAVING OPPOSITE END OPENINGS, COMPRISING A RECEPTACE, A GAS PERVIOUS PARTITION DIVIDING THE RECEPTACLE INTO UPPER AND LOWER CHAMBERS, SAID PARTITION BEING ADAPTED TO SUPPORT A BODY OF PULVERULENT FLUIDIZABLE MATERIAL IN THE UPPER CHAMBER, MEANS FOR ADMITTING A GAS INTO THE LOWER CHAMBER FOR PASSAGE THROUGH THE PARTITION INTO AND THROUGH THE MATERIAL IN THE UPPER CHAMBER TO FLUIDIZE THE MATERIAL, SAID RECEPTACLE IN THE PORTION THEREOF FORMING THE UPPER CHAMBER COMPRISING AN UPPER PART AND A LOWER PART TELESCOPICALLY JOINED TOGETHER WHEREBY THE UPPER PART MAY HAVE UP-AND-DOWN MOVEMENT RELATIVE TO THE LOWER PART, MEANS FOR EFFECTING SAID UPAND-DOWN MOVEMENT, THE SAID UPPER PART HAVING A TOP OUTLET, AND MEANS FOR SECURING ONE OPEN END OF A HOLLOW BODY TO SAID UPPER PART IN COMMUNICATION WITH SAID OUTLET.
Claim 2
Dependent Claim
140 words
APPARATUS FOR COATING THE INTERIOR OF A HOLLOW ELONGATE BODY HAVING OPPOSITE END OPENINGS, COMPRISING A RECEPTACE, A GAS PERVIOUS PARTITION DIVIDING THE RECEPTACLE INTO UPPER AND LOWER CHAMBERS, SAID PARTITION BEING ADAPTED TO SUPPORT A BODY OF PULVERULENT FLUIDIZABLE MATERIAL IN THE UPPER CHAMBER, MEANS FOR ADMITTING A GAS INTO THE LOWER CHAMBER FOR PASSAGE THROUGH THE PARTITION INTO AND THROUGH THE MATERIAL IN THE UPPER CHAMBER TO FLUIDIZE THE MATERIAL, SAID RECEPTACLE IN THE PORTION THEREOF FORMING THE UPPER CHAMBER COMPRISING AN UPPER PART AND A LOWER PART TELESCOPICALLY JOINED TOGETHER WHEREBY THE UPPER PART MAY HAVE UP-AND-DOWN MOVEMENT RELATIVE TO THE LOWER PART, MEANS FOR EFFECTING SAID UPAND-DOWN MOVEMENT, THE SAID UPPER PART HAVING A TOP OUTLET, AND MEANS FOR SECURING ONE OPEN END OF A HOLLOW BODY TO SAID UPPER PART IN COMMUNICATION WITH SAID OUTLET.
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |