US2592687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterilizing apparatus
Assignee: Individual
•
Filing: 1950-02-13
•
Granted: 1952-04-15
•
Expires: 1970-02-13
Abstract
No abstract record available.
Inventors
- 👤 Halmrast Anna Christina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
A; A61; A61L; A61L2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1733409A
Cited
US880713A
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US976001A
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US1499718A
Cited
US1652654A
Cited
US1779152A
Cited
US2095502A
Cited
US1977670A
Cited
US2237345A
Cited
US2310920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |