US1642089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and material for sterilization of liquids
Assignee: GEN ZEOLITE Co
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Filing: 1921-01-08
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Granted: 1927-09-13
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Expires: 1941-01-08
Abstract
No abstract record available.
Inventors
- 👤 Schreier Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:49
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/18; A23B11/182; A23B2/00; A23B2/70; A23B2/725; A23B2/788; A61; A61L; A61L2/00; A61L2/16; A61L2/23; A61L2/238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-09-12 | 1931-03-14 | 1931-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-09-12 | 1935-03-14 | 1935-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-09-12 | 1939-03-14 | 1939-09-13 | $7700.00 | Window Closed / Lapsed |