US2660512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling the liquid seals on steam sterilizers
Assignee: RW Webster and Co Ltd
•
Filing: 1949-01-14
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Granted: 1953-11-24
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Expires: 1969-01-14
Abstract
No abstract record available.
Inventors
- 👤 Webster Alexander Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:22
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/20; A23B2/22; A23B2/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF STEAM STERILLIZING ARTICLES IN A CLOSED HEATED STEAM STERILLIZING ZONE HAVING AN INLET SEALED BY A WATER-FILLED U-SHAPED SEALING ZONE HAVING AN INNER LEG IN COMMUNICATION WITH SAID STERILLIZING ZONE AND AN OUTER LEG IN COMMUNICATION WITH THE ATMOSPHERE, PASSING THE ARTICLES TO BE STERILIZED SERIALLY THROUGH THE OUTER AND INNER LEGS OF THE SEALING ZONE INTO THE STEAM
Claim 2
Independent Claim
62 words
A METHOD OF STEAM STERILLIZING ARTICLES IN A CLOSED HEATED STEAM STERILLIZING ZONE HAVING AN INLET SEALED BY A WATER-FILLED U-SHAPED SEALING ZONE HAVING AN INNER LEG IN COMMUNICATION WITH SAID STERILLIZING ZONE AND AN OUTER LEG IN COMMUNICATION WITH THE ATMOSPHERE, PASSING THE ARTICLES TO BE STERILIZED SERIALLY THROUGH THE OUTER AND INNER LEGS OF THE SEALING ZONE INTO THE STEAM
References Cited (Backward Citations)
GB377890A
Cited
US2154978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |