US2598345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for concentrating liquids
Assignee: GLASCOTE PRODUCTS Inc
•
Filing: 1950-11-03
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Granted: 1952-05-27
•
Expires: 1970-11-03
Abstract
No abstract record available.
Inventors
- 👤 Carl S Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:31
CPC Classifications
B; B01; B01D; B01D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US559857A
Cited
US1196020A
Cited
US1849252A
Cited
US1932228A
Cited
US2315683A
Cited
US2519608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |