Patent US2920552A successfully refreshed from Google Patents.
US2920552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sterilizing products in sealed containers
Assignee: FMC Corp
•
Filing: 1955-08-03
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Granted: 1960-01-12
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Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Kaap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:50
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/30; A23B2/37
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |