US2802716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterilizing process
Assignee: Bayer Corp
•
Filing: 1954-06-11
•
Granted: 1957-08-13
•
Expires: 1974-06-11
Abstract
No abstract record available.
Inventors
- 👤 Fred A Cutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:29
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M39/00; A61M39/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A PROCESS FOR STERILIZING EQUIPMENT HAVING A CONTINUOUS FLUID PASSAGE THEREIN HAVING TWO TERMINAL ENDS, THE STEPS COMPRISING CLOSING THE FLUID PASSAGE WITH A TUBULAR MEMBER COVERING EACH OF SAID TERMINAL ENDS TO PROVIDE A COMPLETE AND A CLOSED FLUID CIRCUIT, SAID MEMBER BEING FORMED OF A MATERIAL OF LIMITED POROSITY WHICH PERMITS READY GAS PASSAGE INTO AND OUT OF SAID CLOSED FLUID CIRCUIT AND WHICH FILTERS ALL ENTRAINED SOLID MATTER FROM GAS PASSING THROUGH SAID MEMBER AND INTO SAID CIRCUIT, EXHAUSTING THE CONTAINED ATMOSPHERE IN SAID CLOSED FLUID CIRCUIT BY SUBJECTING SUCH CIRCUIT TO A REDUCED PRESSURE, AND RETURNING AN ATMOSPHERE TO SAID CLOSED FLUID CIRCUIT CAPABLE OF
Claim 2
Dependent Claim
110 words
IN A PROCESS FOR STERILIZING EQUIPMENT HAVING A CONTINUOUS FLUID PASSAGE THEREIN HAVING TWO TERMINAL ENDS, THE STEPS COMPRISING CLOSING THE FLUID PASSAGE WITH A TUBULAR MEMBER COVERING EACH OF SAID TERMINAL ENDS TO PROVIDE A COMPLETE AND A CLOSED FLUID CIRCUIT, SAID MEMBER BEING FORMED OF A MATERIAL OF LIMITED POROSITY WHICH PERMITS READY GAS PASSAGE INTO AND OUT OF SAID CLOSED FLUID CIRCUIT AND WHICH FILTERS ALL ENTRAINED SOLID MATTER FROM GAS PASSING THROUGH SAID MEMBER AND INTO SAID CIRCUIT, EXHAUSTING THE CONTAINED ATMOSPHERE IN SAID CLOSED FLUID CIRCUIT BY SUBJECTING SUCH CIRCUIT TO A REDUCED PRESSURE, AND RETURNING AN ATMOSPHERE TO SAID CLOSED FLUID CIRCUIT CAPABLE OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |