US3017666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing a smooth-surfaced body consisting of a granular material
Assignee: Stamicarbon BV
•
Filing: 1959-03-25
•
Granted: 1962-01-23
•
Expires: 1979-03-25
Abstract
No abstract record available.
Inventors
- 👤 Freerk J Fontein
- 👤 Bauke S Sieswerda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:50
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/86; G01N1/00; G01N1/02; G01N1/04; G01N23/00; G01N23/22; G01N23/2202; Y; Y10; Y10S; Y10S425/00; Y10S425/235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2424856A
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US2578625A
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US2620320A
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US2884531A
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US2904829A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |