US2812765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination aspirator and fluiddelivering surgical instrument
Assignee: Individual
•
Filing: 1955-12-19
•
Granted: 1957-11-12
•
Expires: 1975-12-19
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Tofflemire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
A; A61; A61M; A61M3/00; A61M1/00; A61M1/71; A61M1/77; A61M1/772; A61M1/774; A61M31/00; A61M1/74; A61M1/741; A61M1/7413; A61M13/00; A61M13/003; 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) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |