Patent US3545262A successfully refreshed from Google Patents.
US3545262A
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US
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Method and apparatus for nondestructive testing of pressure vessels
Assignee: Aerojet Rocketdyne Inc
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Filing: 1967-05-09
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Granted: 1970-12-08
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Expires: 1987-05-09
Abstract
No abstract record available.
Inventors
- 👤 Richard K Steele
- 👤 Allen T Green
- 👤 Charles S Lockman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:36
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/227; G01B; G01B17/00; G01B17/04; G01N29/14
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |