US2661003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Varicose vein stripper with flexible guide leader
Assignee: Individual
•
Filing: 1952-11-20
•
Granted: 1953-12-01
•
Expires: 1972-11-20
Abstract
No abstract record available.
Inventors
- 👤 Devine William John
- 👤 Bruce J Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:15
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/00008; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2221138A
Cited
US2437542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |