US2456909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sterilizing and preserving
Assignee: Electronized Chemicals Corp
•
Filing: 1946-09-28
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Granted: 1948-12-21
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Expires: 1966-09-28
Abstract
No abstract record available.
Inventors
- 👤 Brasch Arno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:20
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/50; A23B2/503
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US924284A
Cited
US1945867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |