US3729382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microorganism sampling dish
Assignee: Becton Dickinson and Co
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Filing: 1970-12-09
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Granted: 1973-04-24
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Expires: 1990-12-09
Abstract
Abstract A MICROORGANISM SAMPLING DISH FOR TESTING A SURFACE FOR THE PRESENCE O MICROORGANISMS HAS A BASE PLATE FORMED WITH AN INWARDLY SLOPING WALL EXTENDING THEREAROUND AT THE PERIPHERY OF THE PLATE. THE DISH IS FORMED FROM FLEXIBLE MATERIAL AND HAS A CONVEX BOTTOM. ACHANNEL IS SPACED AOUT THE DISH WALL FOR SUPPORTING A COVER. A CULTURE MEDIUM CAN BE DISPOSED IN THE DISH AND A COVER MAY BE PROVIDED WHICH BRIDGES THE DISH WALL AND CULTURE MEDIUM AND RESTS IN THE CHANNEL.
Inventors
- 👤 G Shaffer
- 👤 E Roz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:37
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/02; C12M23/10; C12M23/26; C12M23/38
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |