US3050066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retention catheters
Assignee: Individual
•
Filing: 1958-12-31
•
Granted: 1962-08-21
•
Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Wilbur R Koehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:03
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1002; A61M25/01; A61M25/02; A61M25/04; Y; Y10; Y10S; Y10S264/00; Y10S264/76
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2213210A
Cited
US741360A
Cited
US1235142A
Cited
US2487630A
Cited
US2810934A
Cited
US2634856A
Cited
US2787023A
Cited
US2845930A
Cited
US2902146A
Cited
US2854982A
Cited
US2919697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |