US3478744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical apparatus
Assignee: Individual
•
Filing: 1964-12-30
•
Granted: 1969-11-18
•
Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Harry Leiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:43
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/1206; A61B2018/00636; A61B2018/0066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2238344A
Cited
US2622200A
Cited
US2835254A
Cited
US2993178A
Cited
US3077884A
Cited
US3127895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |