Patent US3424136A successfully refreshed from Google Patents.
Patent US3198657A successfully refreshed from Google Patents.
US3198657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for spin coating objects
Assignee: International Business Machines Corp
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Filing: 1964-09-17
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Granted: 1965-08-03
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Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Philip D Kimball
- 👤 Eugene R Blome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:02
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/84; G11B5/842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A PROCESS FOR SPIN COATING OBJECTS, THE STEPS COMPRISING: POURING A SYNTHETIC RESIN PAINT ON A SPINNING OBJECT TO BE COATED FROM ITS OUTER EDGE TO ITS INNER EDGE, CONTINUING POURING THE PAINT ON THE INNER EDGE UNTIL A WAVE FRONT OF PAING FORMS AHEAD OF THE POINT OF IMPACT OF THE POURED PAINT, AND POURING THE PAINT FROM THE INNER EDGE TO THE OUTER EDGE OF THE OBJECT AT A RATE SUCH THAT THE PAINT BEING POURED DOES NOT DISTURB THE FORMED WAVE FRONT OF PAINT.
Claim 2
Dependent Claim
88 words
IN A PROCESS FOR SPIN COATING OBJECTS, THE STEPS COMPRISING: POURING A SYNTHETIC RESIN PAINT ON A SPINNING OBJECT TO BE COATED FROM ITS OUTER EDGE TO ITS INNER EDGE, CONTINUING POURING THE PAINT ON THE INNER EDGE UNTIL A WAVE FRONT OF PAING FORMS AHEAD OF THE POINT OF IMPACT OF THE POURED PAINT, AND POURING THE PAINT FROM THE INNER EDGE TO THE OUTER EDGE OF THE OBJECT AT A RATE SUCH THAT THE PAINT BEING POURED DOES NOT DISTURB THE FORMED WAVE FRONT OF PAINT.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |