US2628803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for use in surgery and in administering anesthetics
Assignee: Individual
•
Filing: 1949-08-10
•
Granted: 1953-02-17
•
Expires: 1969-08-10
Abstract
No abstract record available.
Inventors
- 👤 Josephine E Krewson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:46
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/06; A61M16/01; A61M2209/00; A61M2209/08; A61M2209/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US372288A
Cited
US493811A
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US509366A
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US1111608A
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US1600835A
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US1460760A
Cited
US2124006A
Cited
US2180480A
Cited
US2410330A
Cited
US2469904A
Cited
US2529173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |