US3483033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporator scale prevention in sugar manufacture
Assignee: Individual
•
Filing: 1966-08-23
•
Granted: 1969-12-09
•
Expires: 1986-08-23
Abstract
No abstract record available.
Inventors
- 👤 John A Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:14
CPC Classifications
C; C13; C13B; C13B30/00; C13B30/02; C13B30/021; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/12; C02F5/125; Y; Y10; Y10S; Y10S159/00; Y10S159/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2802788A
Cited
US2591704A
Cited
US2783200A
Cited
US3217034A
Cited
GB846499A
Cited
US2970959A
Cited
US3061478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |