US2029487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated cautery electrode
Assignee: COMPREX OSCILLATOR CORP
•
Filing: 1934-02-16
•
Granted: 1936-02-04
•
Expires: 1954-02-16
Abstract
No abstract record available.
Inventors
- 👤 Kleine Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:57
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/08; A61B18/10; A61B2018/00636; A61B2018/00642
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-02-03 | 1939-08-05 | 1940-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-03 | 1943-08-05 | 1944-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-03 | 1947-08-05 | 1948-02-04 | $7700.00 | Window Closed / Lapsed |