US3430631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgeon's drain
Assignee: Individual
•
Filing: 1966-01-12
•
Granted: 1969-03-04
•
Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Abramson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:42
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/84; A61M1/85
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |