Patent US3186556A successfully refreshed from Google Patents.
US3186556A
Expired / Lapsed
US
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Test tube rack
Assignee: Pfizer Health AB
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Filing: 1963-09-05
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Granted: 1965-06-01
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Expires: 1983-09-05
Abstract
No abstract record available.
Inventors
- 👤 Forsstrom Bo Gosta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:18
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/003; B01; B01L; B01L9/00; B01L9/06; G; G01; G01N; G01N35/00; G01N35/02; G01N35/026
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |