Patent US2433538A successfully refreshed from Google Patents.
US2433538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sperm receptacle for analysis
Assignee: Individual
•
Filing: 1945-08-13
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Granted: 1947-12-30
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Expires: 1965-08-13
Abstract
No abstract record available.
Inventors
- 👤 Harold W Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/0045; A61B10/0058; A61F; A61F6/00; A61F6/02; A61F6/04
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |