US2845930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for determining patency in the uterus of cows and similar animals
Assignee: Individual
•
Filing: 1954-09-07
•
Granted: 1958-08-05
•
Expires: 1974-09-07
Abstract
No abstract record available.
Inventors
- 👤 Brown John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:11
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/43; A61B5/4306; A61B5/4343; A61B5/4356; A61D; A61D7/00; A61M; A61M25/00; A61M25/10; A61M25/1002; A61M25/1018; A61M25/10181; A61M25/10183; A61M25/10184; A61M25/10187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2480041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |