US3666629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for transferring anaerobic bacteria
Assignee: Virginia Polytechnic Institute and State University
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Filing: 1970-06-18
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Granted: 1972-05-30
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Expires: 1990-06-18
Abstract
Abstract AN APPARATUS FOR TRANSFER OF ANAEROBIC BACTERIA UNDER OXYGEN-FREE CONDITIONS HAVING AT LEAST ONE PIVOTALLY MOUNTED DISCHARGE FOR DISCHARGE OF AN OXYGEN-FREE GAS DOWNWARDLY TOWARD A TUBE SUPPORT AND A DISCHARGE FOR DISCHARGE OF MEASURED QUANTITIES OF ANAEROBIC BACTERIA TOWARD THE TUBE SUPPORT. THE GAS DISCHARGE CAN BE PIVOTED TO A REMOTE POSITION.
Inventors
- 👤 Walter E C Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:13
CPC Classifications
C; C12; C12M; C12M33/00; C12M33/04; C12M23/00; C12M23/50; Y; Y10; Y10S; Y10S435/00; Y10S435/801
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |