Patent US3045176A successfully refreshed from Google Patents.
US3045176A
Expired / Lapsed
US
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Method and apparatus for measuring the thickness of dielectric coatings
Assignee: Old Carco LLC
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Filing: 1957-06-06
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Granted: 1962-07-17
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Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 Voltmann Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:56
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2712112A
Cited
US2267606A
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US2310335A
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US2396172A
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US2724087A
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US2750562A
Cited
US2790144A
Cited
US2790051A
Cited
US2836792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |