US2868616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam sterilization method
Assignee: Individual
•
Filing: 1954-04-14
•
Granted: 1959-01-13
•
Expires: 1974-04-14
Abstract
No abstract record available.
Inventors
- 👤 Edward J Poitras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2/06; A61L2/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
THE METHOD OF STERILIZING CLOSED COLLAPSIBLE VAPOR PERMEABLE CONTAINERS CHARGED WITH LIQUID, GAS AND LIQUIDGAS MIXTURE WHICH COMPRISES PLACING THE CONTAINERS IN AN AUTOCLAVE HAVING A VENT, SUPPLYING STEAM AND GAS TO THE AUTOCLAVE AGITATING THE AUTOCLAVE ATMOSPHERE DURING AT LEAST A SUBSTANTIAL PORTION OF THE STERILIZING PROCESS FOR COMPLETE STEAM-GAS MIXING AND FOR TOTAL STEAM-GAS CONTACT WITH THE CONTAINERS, REGULATING THE AUTOCLAVE STEAM SUPPLY TO ESTABLISH A STERILIZING TEMPERATURE FOR A STERILIZING TIME, AND REGULATING THE AUTOCLAVE GAS SUPPLY AND THE AUTOCLAVE VENT TO ESTABLISH A SUBSTANTIAL BALANCE ACROSS THE WALLS OF THE CONTAINERS OF THE PARTIAL PRESSURE OF THE GAS IN THE AUTOCLAVE WITH THE PARTIAL PRESSURE OF THE GAS IN THE CONTAINERS.
Claim 2
Independent Claim
115 words
THE METHOD OF STERILIZING CLOSED COLLAPSIBLE VAPOR PERMEABLE CONTAINERS CHARGED WITH LIQUID, GAS AND LIQUIDGAS MIXTURE WHICH COMPRISES PLACING THE CONTAINERS IN AN AUTOCLAVE HAVING A VENT, SUPPLYING STEAM AND GAS TO THE AUTOCLAVE AGITATING THE AUTOCLAVE ATMOSPHERE DURING AT LEAST A SUBSTANTIAL PORTION OF THE STERILIZING PROCESS FOR COMPLETE STEAM-GAS MIXING AND FOR TOTAL STEAM-GAS CONTACT WITH THE CONTAINERS, REGULATING THE AUTOCLAVE STEAM SUPPLY TO ESTABLISH A STERILIZING TEMPERATURE FOR A STERILIZING TIME, AND REGULATING THE AUTOCLAVE GAS SUPPLY AND THE AUTOCLAVE VENT TO ESTABLISH A SUBSTANTIAL BALANCE ACROSS THE WALLS OF THE CONTAINERS OF THE PARTIAL PRESSURE OF THE GAS IN THE AUTOCLAVE WITH THE PARTIAL PRESSURE OF THE GAS IN THE CONTAINERS.
References Cited (Backward Citations)
US1385609A
Cited
US1207814A
Cited
US1485133A
Cited
US2472970A
Cited
US2539505A
Cited
US2555230A
Cited
US2578437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |