Patent US2899266A successfully refreshed from Google Patents.
US2899266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
gewalt etal
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:03
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/20; A61L2/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN THE METHOD OF STERILIZING WITH BACTERICIDAL GASES SELECTED FROM THE CLASS CONSISTING OF ALKYLENE OXIDES AND SLKYLENE IMIDES, THE IMPROVEMENT BY WHICH THE STERILIZING IS CARRIED OUT AT A TEMPERATURE OF FROM ABOUT 20 TO 60* C., UNDER A PRESSURE OF FROM ABOUT 3 TO 6 ATMOSPHERES, WITH A GAS MIXTURE IN WHICH THE BACTERICIDAL GAS IS MIXED WITH MORE THAN 9 AND UP TO 25 PARTS OF INDIFFERENT GAS.
Claim 2
Dependent Claim
71 words
IN THE METHOD OF STERILIZING WITH BACTERICIDAL GASES SELECTED FROM THE CLASS CONSISTING OF ALKYLENE OXIDES AND SLKYLENE IMIDES, THE IMPROVEMENT BY WHICH THE STERILIZING IS CARRIED OUT AT A TEMPERATURE OF FROM ABOUT 20 TO 60* C., UNDER A PRESSURE OF FROM ABOUT 3 TO 6 ATMOSPHERES, WITH A GAS MIXTURE IN WHICH THE BACTERICIDAL GAS IS MIXED WITH MORE THAN 9 AND UP TO 25 PARTS OF INDIFFERENT GAS.
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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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |