US3477284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Technique for deformation analysis
Assignee: Boeing Co
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Filing: 1968-06-12
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Granted: 1969-11-11
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Expires: 1988-06-12
Abstract
No abstract record available.
Inventors
- 👤 Cletus R Schwallie
- 👤 Earl I Riegner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:56
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/21; G01B; G01B11/00; G01B11/16; G01B11/165
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |