US2308484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catheter
Assignee: Davol Rubber Co
•
Filing: 1939-01-16
•
Granted: 1943-01-19
•
Expires: 1959-01-16
Abstract
No abstract record available.
Inventors
- 👤 John M Auzin
- 👤 Morton M Zinck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:15
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; A; A61; A61M; A61M25/00; A61M25/10; A61M25/1027; A61M25/1029; B29K; B29K2021/00
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) | 1946-01-18 | 1946-07-20 | 1947-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-18 | 1950-07-20 | 1951-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-18 | 1954-07-20 | 1955-01-19 | $7700.00 | Window Closed / Lapsed |