US3412467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical scalpel
Assignee: Individual
•
Filing: 1966-11-25
•
Granted: 1968-11-26
•
Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 John J Matwijcow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:40
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3209; A61B17/3211; A61B17/3213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1706712A
Cited
US1563674A
Cited
US1940855A
Cited
US2960769A
Cited
US3085332A
Cited
US3311976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |