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Patent US3409213A successfully refreshed from Google Patents.
US3409213A
Expired / Lapsed
US
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Rotary seal and centrifuge incorporation
Assignee: Haemonetics Corp
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Filing: 1967-01-23
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Granted: 1968-11-05
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Allen Latham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:47
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0442; F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; B04B2005/0464; Y; Y10; Y10S; Y10S277/00; Y10S277/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |