Patent US3010020A successfully refreshed from Google Patents.
US3010020A
Expired / Lapsed
US
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Apparatus for continuously measuring the mass per unit area of a coating
Assignee: Curtiss Wright Corp
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Filing: 1956-05-16
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Granted: 1961-11-21
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Expires: 1976-05-16
Abstract
No abstract record available.
Inventors
- 👤 Norman Z Alcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:05
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2647214A
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US2618751A
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US2586303A
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US2678399A
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US2675483A
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US2750986A
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US2793345A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |