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Patent US3393301A successfully refreshed from Google Patents.
US3393301A
Expired / Lapsed
US
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Testing apparatus
Assignee: Boeing North American Inc
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Filing: 1964-01-27
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Granted: 1968-07-16
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jacob E Valstar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:32
CPC Classifications
G; G06; G06J; G06J1/00; G06G; G06G7/00; G06G7/48; G06G7/62; G06G7/623
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |