US2708933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas blanketed electro-surgical device
Assignee: Individual
•
Filing: 1951-05-17
•
Granted: 1955-05-24
•
Expires: 1971-05-17
Abstract
No abstract record available.
Inventors
- 👤 August William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1813902A
Cited
US2376265A
Cited
FR934257A
Cited
US2517739A
Cited
FR986527A
Cited
US2618267A
Cited
US2555017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |