US2800448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cataphoretic coating machine
Assignee: RCA Corp
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Filing: 1954-04-30
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Granted: 1957-07-23
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Expires: 1974-04-30
Abstract
No abstract record available.
Inventors
- 👤 Mark N Fredenburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:14
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/12; C25D13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A CATAPHORETIC COATING MACHINE COMPRISING A COATING CONTAINER HAVING A BOTTOM WALL, A COATING ELECTRODE IN SAID CONTAINER,MEANS FOR DIRECTING A FILAMENTARY BASE TO BE COATED IN A PATH ADJACENT SAID ELECTRODE IN SAID COATING CONTAINER, A RESERVOIR CONTAINER MEANS FOR STIRRING SUSPENSION IN SAID RESERVOIR CONTAINER ONLY, A CONDUIT COMMUNICATING WITH SAID CONTAINERS, AND NON-TURBULENT MEANS ADJACENT TO SAID STIRRING MEANS FOR FEEDING THE STIRRED SUSPENSION THROUGH SAID CONDUIT FROM SAID RESERVOIR CONTAINER TO SAID COATING CONTAINER TO IMMERSE A REGION INCLUDING SAID ELECTRODE AND SAID PATH IN SAID STIRRED SUSPENSION, SAID MEANS FOR STIRRING AND SAID NON-TURBULENT MEANS BEING ADJACENT TO SAID BOTTOM WALL, SAID MEANS FOR STIRRING BEING BETWEEN SAID BOTTOM WALL AND SAID NONTURBULENT MEANS, WHEREBY THE SUSPENSION ADJACENT SAID ELECTRODE IS SUBSTANTIALLY UNIFORM IN CONCENTRATION DURING A COATING OPERATION AND SAID PATH IS FREE FROM TURBULENCE FOR PROVIDING AN IMPROVED COATING.
Claim 2
Dependent Claim
146 words
A CATAPHORETIC COATING MACHINE COMPRISING A COATING CONTAINER HAVING A BOTTOM WALL, A COATING ELECTRODE IN SAID CONTAINER,MEANS FOR DIRECTING A FILAMENTARY BASE TO BE COATED IN A PATH ADJACENT SAID ELECTRODE IN SAID COATING CONTAINER, A RESERVOIR CONTAINER MEANS FOR STIRRING SUSPENSION IN SAID RESERVOIR CONTAINER ONLY, A CONDUIT COMMUNICATING WITH SAID CONTAINERS, AND NON-TURBULENT MEANS ADJACENT TO SAID STIRRING MEANS FOR FEEDING THE STIRRED SUSPENSION THROUGH SAID CONDUIT FROM SAID RESERVOIR CONTAINER TO SAID COATING CONTAINER TO IMMERSE A REGION INCLUDING SAID ELECTRODE AND SAID PATH IN SAID STIRRED SUSPENSION, SAID MEANS FOR STIRRING AND SAID NON-TURBULENT MEANS BEING ADJACENT TO SAID BOTTOM WALL, SAID MEANS FOR STIRRING BEING BETWEEN SAID BOTTOM WALL AND SAID NONTURBULENT MEANS, WHEREBY THE SUSPENSION ADJACENT SAID ELECTRODE IS SUBSTANTIALLY UNIFORM IN CONCENTRATION DURING A COATING OPERATION AND SAID PATH IS FREE FROM TURBULENCE FOR PROVIDING AN IMPROVED COATING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |