Patent US2628803A successfully refreshed from Google Patents.
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 15:51
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/06; A61M16/01; A61M2209/00; A61M2209/08; A61M2209/082
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US372288A
Cited
US493811A
Cited
US509366A
Cited
US1111608A
Cited
US1600835A
Cited
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 |