US3270744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryogenic surgical probe
Assignee: Westinghouse Electric Corp
•
Filing: 1963-11-27
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Granted: 1966-09-06
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Expires: 1983-11-27
Abstract
No abstract record available.
Inventors
- 👤 Katz Kurt
- 👤 Edward F Federmann
- 👤 Anthony J Venturino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/02; A61B17/00; A61B2017/00017; A61B2017/00137; A61B2017/00154; A61B2018/00005; A61B2018/00041; A61B2018/00053; A61B2018/00059; A61B2018/00089; A61B2018/00101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1516437A
Cited
US2645097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |