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Patent US3139323A successfully refreshed from Google Patents.
US3139323A
Expired / Lapsed
US
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Sterilizing process
Assignee: Foremost Dairies Inc
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Filing: 1962-01-25
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Granted: 1964-06-30
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Expires: 1982-01-25
Abstract
No abstract record available.
Inventors
- 👤 John B Shields
- 👤 Donald F Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:54
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A STERILIZING PROCESS, THE STEPS OF CONTACTING A SURFACE TO BE STERILIZED AND WHILE AT AMBIENT TEMPERATURE WITH STEAM AT SUBSTANTIALLY ATMOSPHERIC PRESSURE AND HAVING HOMOGENEOUSLY MIXED THEREWITH GASEOUS HYDROGEN CHLORIDE, THE PROPORTIONS RANGING FROM APPROXIMATELY 99.964 TO 96.4% STEAM TO FROM .036 TO 3.6% HYDROGEN CHLORIDE BY WEIGHT, AND CAUSING SAID GASEOUS MIXTURE TO CONDENSE ON SAID SURFACE AND THEREBY TO HEAT SAID SURFACE WITH HEATING OF THE SAME, SAID SURFACE BEING THEREBY STERILIZED.
Claim 2
Dependent Claim
76 words
IN A STERILIZING PROCESS, THE STEPS OF CONTACTING A SURFACE TO BE STERILIZED AND WHILE AT AMBIENT TEMPERATURE WITH STEAM AT SUBSTANTIALLY ATMOSPHERIC PRESSURE AND HAVING HOMOGENEOUSLY MIXED THEREWITH GASEOUS HYDROGEN CHLORIDE, THE PROPORTIONS RANGING FROM APPROXIMATELY 99.964 TO 96.4% STEAM TO FROM .036 TO 3.6% HYDROGEN CHLORIDE BY WEIGHT, AND CAUSING SAID GASEOUS MIXTURE TO CONDENSE ON SAID SURFACE AND THEREBY TO HEAT SAID SURFACE WITH HEATING OF THE SAME, SAID SURFACE BEING THEREBY STERILIZED.
References Cited (Backward Citations)
NL11479C
Cited
US3035886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |