Patent US3579290A successfully refreshed from Google Patents.
US3579290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterilisation of surgical instruments
Assignee: Individual
•
Filing: 1970-06-08
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Granted: 1971-05-18
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Expires: 1990-06-08
Abstract
Abstract A METHOD OF AND APPARATUS FOR STERILIZING ARTICLES SUCH AS SURGICAL INSTRUMENTS WHICH METHOD COMPRISES SUSPENDING THE OBJECT OR INSTRUMENT IN A BOILING INERT LIQUID OR IN A SATURATED VAPOR THEREOF, SAID LIQUID HAVING A BOILING POINT WITHIN THE RANGE OF 160*C. TO 190*C. UNTIL THE TEMPERATURE OF THE SAID OBJECT HAS BEEN RAISED TO THAT OF THE BOILING LIQUID AND THEN RAISING IT TO A ZONE ABOVE THE VAPOR OF THE BOILING LIQUID UNTIL ADHERING LIQUID HAS EVAPORATED UNDER THE SENSIBLE HEAT OF THE INSTRUMENT.
Inventors
- 👤 Richard Esdaile Pickstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:42
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2/06; A61L2/16; A61L2/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |