Patent US3455164A successfully refreshed from Google Patents.
US3455164A
Expired / Lapsed
US
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Immersion molten metal sampler
Assignee: Leeds and Northrup Co
•
Filing: 1966-07-06
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Granted: 1969-07-15
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Expires: 1986-07-06
Abstract
No abstract record available.
Inventors
- 👤 Gerald P Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:06
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02; G01K; G01K13/00; G01K13/12; G01K13/125; G01N1/00; G01N1/02; G01N1/10; G01N1/12; G01N1/125; Y; Y10; Y10S; Y10S73/00; Y10S73/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2485492A
Cited
US3267732A
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US3221559A
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US3321973A
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US3298069A
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US3357250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |