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US3514263A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluidized bed crystallization device

Assignee: Individual
•
Filing: 1969-06-23
•
Granted: 1970-05-26
•
Expires: 1989-06-23
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Abstract

No abstract record available.

Inventors

  • 👤 Jan Michal Malek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:09
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/388; B01D; B01D9/00; B01D9/0018; B01D9/0031; B01D9/0036; B01J8/20; Y; Y10; Y10S; Y10S159/00; Y10S159/03

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US880629A Cited
US1860741A Cited
US1945281A Cited
US2042488A Cited
US2426839A Cited
FR1104869A Cited
US3266556A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-25 1973-11-24 1974-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-25 1977-11-24 1978-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-25 1981-11-24 1982-05-26 $7700.00 Window Closed / Lapsed

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