US3253945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for coating strip material by vapor deposition
Assignee: United States Steel Corp
•
Filing: 1963-12-19
•
Granted: 1966-05-31
•
Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas K Cauley
- 👤 James I Maher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:44
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C23C14/562; Y; Y10; Y10T; Y10T117/00; Y10T117/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A PROCESS FOR COATING STRIP MATERIAL IN WHICH A CONTINUOUS STRIP PASSES OVER A SUPPLY OF COATING MATERIAL, THE COATING MATERIAL IS HEATED TO VAPORIZE IT, AND THE VAPORS CONDENSE ON THE STRIP SURFACE TO FORM A COATING THEREON, THE DENSITY OF THE VAPORS BEING GREATEST NEAR THE CENTRAL PORTION OF THE SUPPLY AT ANY GIVEN DISTANCE THEREABOVE, A METHOD OF CONTROLLING THE THICKNESS OF COATING DEPOSITED ON THE STRIP COMPRISING POSITIONING THE STRIP
Claim 2
Dependent Claim
75 words
IN A PROCESS FOR COATING STRIP MATERIAL IN WHICH A CONTINUOUS STRIP PASSES OVER A SUPPLY OF COATING MATERIAL, THE COATING MATERIAL IS HEATED TO VAPORIZE IT, AND THE VAPORS CONDENSE ON THE STRIP SURFACE TO FORM A COATING THEREON, THE DENSITY OF THE VAPORS BEING GREATEST NEAR THE CENTRAL PORTION OF THE SUPPLY AT ANY GIVEN DISTANCE THEREABOVE, A METHOD OF CONTROLLING THE THICKNESS OF COATING DEPOSITED ON THE STRIP COMPRISING POSITIONING THE STRIP
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |