US2959151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for multiple liquid treatments of materials
Assignee: Individual
•
Filing: 1954-04-08
•
Granted: 1960-11-08
•
Expires: 1974-04-08
Abstract
No abstract record available.
Inventors
- 👤 Ehrlich Joseph Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:02
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/30; G01N1/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US963470A
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US1185532A
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US1581502A
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US1619817A
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US1988289A
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US2422022A
Cited
US2345073A
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US2655177A
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DE837426C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |