Patent US2653308A successfully refreshed from Google Patents.
US2804075A
Expired / Lapsed
US
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Non-clogging surgical aspirator
Assignee: Individual
•
Filing: 1955-11-14
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Granted: 1957-08-27
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Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ruth O Borden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:11
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/36; A61M1/3672; A61M1/84; A61M1/85; A61M2202/00; A61M2202/04; Y; Y10; Y10S; Y10S604/00; Y10S604/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |