Patent US2950990A successfully refreshed from Google Patents.
US2950990A
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Method for applying a uniform coating to a cylindrical body
Assignee: International Business Machines Corp
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Filing: 1957-04-08
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Granted: 1960-08-30
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Expires: 1977-04-08
Abstract
No abstract record available.
Inventors
- 👤 Donald D Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:47
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/14; H01F41/16; B; B05; B05D; B05D1/00; B05D1/002; G; G11; G11B; G11B5/00; G11B5/84; G11B5/842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD FROM COATING A CYLINDRICAL SURFACE OF A BODY HAVING AN AXIS OF REVOLUTION, SAID METHOD COMPRISING APPLYING A LIQUID COATING MATERIAL TO A FIRST END OF THE BODY, PERMITTING THE MATERIAL TO FLOW ACROSS THE CYLINDRICAL SURFACE TO THE SECOND END OF THE BODY, ROTATING THE BODY ABOUT THE AXIS THEREOF, CONDUCTING AN EXCESS OF THE MATERIAL FROM THE SECOND END, AND DRAWING THE MATERIAL REMAINING ON THE CYLINDRICALL SURFACE INTO A THIN FILM BY SURFACE TENSION.
Claim 2
Independent Claim
79 words
A METHOD FROM COATING A CYLINDRICAL SURFACE OF A BODY HAVING AN AXIS OF REVOLUTION, SAID METHOD COMPRISING APPLYING A LIQUID COATING MATERIAL TO A FIRST END OF THE BODY, PERMITTING THE MATERIAL TO FLOW ACROSS THE CYLINDRICAL SURFACE TO THE SECOND END OF THE BODY, ROTATING THE BODY ABOUT THE AXIS THEREOF, CONDUCTING AN EXCESS OF THE MATERIAL FROM THE SECOND END, AND DRAWING THE MATERIAL REMAINING ON THE CYLINDRICALL SURFACE INTO A THIN FILM BY SURFACE TENSION.
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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |