US2987174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test sample container
Assignee: Bayer Corp
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Filing: 1960-05-06
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Granted: 1961-06-06
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Expires: 1980-05-06
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Free
- 👤 Marion C Fetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:51
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/54; B01L3/545; A; A61; A61B; A61B10/00; A61B10/0045; A61B10/007; B01L3/50; B01L3/505
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |