US3490877A
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Reverse rotation of crystallization melt
Assignee: Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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Filing: 1966-08-01
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Granted: 1970-01-20
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Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Nicolaas J G Bollen
- 👤 Marius J Van Essen
- 👤 Wilhelm M Smit
- 👤 Wilhelmus F Versteeg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:49
CPC Classifications
C; C30; C30B; C30B13/00; C30B13/26; B; B01; B01F; B01F33/00; B01J; B01J19/00; B01J19/28; C25; C25B; C25B15/00; C30B7/00; G; G01; G01N; G01N25/00; G01N25/02; G01N25/04; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00099; B01J2219/00132; B01J2219/00162; Y; Y10; Y10T; Y10T117/00; Y10T117/10; Y10T117/1024; Y10T117/1076
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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |