Patent US3667989A successfully refreshed from Google Patents.
US3667989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for selectively coating articles
Assignee: AT&T Inc
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Filing: 1970-08-06
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Granted: 1972-06-06
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Expires: 1990-08-06
Abstract
Abstract ARTICLES TO BE SELECTIVELY COATED, ARE CONVEYED THROUGH A COATING STATION BY A TAPE WHICH SERVES ALSO TO MASK AREAS OF THE ARTICLES WHERE COATING IS NOT DESIRED. THE TAPE IS IN THE FORM OF AN ENDLESS BELT AND COATING MATERIAL IS CONTINUOUSLY REMOVED FROM THE TAPE SO THAT EACH ARTICLE TO BE COATED IS PRESENTED WITH A CLEANED PORTION OF THE TAPE AS A MASK. AUTOMATIC APPARATUS IS PROVIDED TO ALTERNATELY RAISE AND LOWER SECTIONS OF THE TAPE OVER A SUPPORT TRACK FOR THE ARTICLES IN COORDINATION WITH FEED- ING AND ACCUMULATING DEVICES TO BRING PARTS INTO AND OUT OF ENGAGEMENT WITH THE TAPE.
Inventors
- 👤 John M Keating
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:06
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/04; C23C14/042; B; B05; B05D; B05D1/00; B05D1/32; Y; Y10; Y10S; Y10S438/00; Y10S438/942; Y10S438/943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |