Patent US3530055A successfully refreshed from Google Patents.
US3530055A
Expired / Lapsed
US
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Formation of layers of solids on substrates
Assignee: International Business Machines Corp
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Filing: 1968-08-26
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Granted: 1970-09-22
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Expires: 1988-08-26
Abstract
No abstract record available.
Inventors
- 👤 Leon I Maissel
- 👤 Paul M Schaible
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:36
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/02; C23C14/024; C23C14/0021; C23C14/0036; C23C14/06; C23C14/14; H; H01; H01J; H01J37/00; H01J37/32; H01J37/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2305758A
Cited
US3077444A
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US3021271A
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GB939275A
Cited
US3324019A
Cited
US3307983A
Cited
US3336211A
Cited
US3287243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |