Patent US3518061A successfully refreshed from Google Patents.
US3518061A
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US
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Installations for crystallization of a substance in solution,especially anhydrous sodium sulfate
Assignee: Individual
•
Filing: 1966-11-16
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Granted: 1970-06-30
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Expires: 1986-11-16
Abstract
No abstract record available.
Inventors
- 👤 Francois Laurenty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:06
CPC Classifications
C; C01; C01D; C01D5/00; C01D5/18; B; B01; B01D; B01D9/00; B01D9/0018; B01D9/0031; B01D9/0036; B01D9/0059; B60; B60L; B60L50/00; B60L50/50; B60L50/53; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US743352A
Cited
US1945281A
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US2567968A
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US2602023A
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US2671716A
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US3257176A
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US3273630A
Cited
US3259171A
Cited
US3370635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |