US3373353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam scanning system for quality control of materials
Assignee: United States Department of the Navy
•
Filing: 1965-09-30
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Granted: 1968-03-12
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Franklin H Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:22
CPC Classifications
G; G01; G01B; G01B15/00; G01B15/02; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/20; G01N27/205; G01R; G01R31/00; G01R31/01; G01R31/013; G01R31/016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3103584A
Cited
US2507590A
Cited
US2873425A
Cited
US2942248A
Cited
US3253217A
Cited
US3051860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |