US3290119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inspection unit
Assignee: Nuclear Technical Services Corp
•
Filing: 1962-12-04
•
Granted: 1966-12-06
•
Expires: 1982-12-04
Abstract
No abstract record available.
Inventors
- 👤 Harold A Ohlgren
- 👤 John G Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:14
CPC Classifications
B; B01; B01D; B01D46/00; G; G01; G01N; G01N27/00; G01N27/62; Y; Y10; Y10T; Y10T436/00; Y10T436/17; Y10T436/176152; Y10T436/176921; Y10T436/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2429474A
Cited
US2762449A
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US2753458A
Cited
US2824789A
Cited
US2866691A
Cited
US2800974A
Cited
DE1027911B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |