US2835254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for performing surgical incisions by electronic energy
Assignee: Individual
•
Filing: 1953-12-17
•
Granted: 1958-05-20
•
Expires: 1973-12-17
Abstract
No abstract record available.
Inventors
- 👤 William A Coles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:35
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)
US874178A
Cited
US1695485A
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US1841968A
Cited
US1724508A
Cited
US1813902A
Cited
US2099511A
Cited
US2213820A
Cited
US2238344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |