US3039952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for depositing films on article surfaces
Assignee: AT&T Inc
•
Filing: 1959-03-25
•
Granted: 1962-06-19
•
Expires: 1979-03-25
Abstract
No abstract record available.
Inventors
- 👤 Albert R Fairchild
- 👤 Jr Arthur J Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:48
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/28; H01C17/288
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
AN APPARATUS FOR DEPOSITING COATINGS UPON SURFACES OF ARTICLES BY CATHODE SPUTTERING WHICH COMPRISES A MASK FOR COVERING THE CENTRAL PORTION OF AN ARTICLE TO BE COATED AT EACH END, DRIVEN MEANS FOR ENGAGING THE PERIPHERY OF THE MASK TO ROTATE THE MASK AND THE ARTICLE HELD WITHIN THE MASK ABOUT THEIR COMMON AXIS AT A FIXED LOCATION SUCH THAT THE END PORTIONS OF THE MASKED ARTICLE ARE COMPLETELY EXPOSED, MAGNETICALLY OPERATED MEANS FOR DRIVING SAID DRIVEN MEANS, AND CATHODE SPUTTERING MEANS SPACIALLY POSITIONED FROM THE LOCATION OF THE ROTATED MASK FOR COATING EXPOSED END PORTIONS OF THE ARTICLE.
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |