Patent US1558267A successfully refreshed from Google Patents.
US3519201A
Expired / Lapsed
US
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Seal means for blood separator and the like
Assignee: United States Department of Health and Human Services
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Filing: 1968-05-07
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Granted: 1970-07-07
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Expires: 1988-05-07
Abstract
No abstract record available.
Inventors
- 👤 Robert J Eisel
- 👤 William B Greenough
- 👤 Robert M Kellogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0442; B04B2005/045; B04B2005/0464
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2822126A
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US2876769A
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US3195809A
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US3231184A
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US3145713A
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US3292937A
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US3443747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |