Patent US3533403A successfully refreshed from Google Patents.
US3533403A
Expired / Lapsed
US
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Combination heart catheter and electrode
Assignee: Individual
•
Filing: 1967-05-10
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Granted: 1970-10-13
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Expires: 1987-05-10
Abstract
No abstract record available.
Inventors
- 👤 Riley D Woodson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:10
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/0215; A61B5/24; A61B5/25; A61B5/279; A61B5/28; A61B5/283; A61M; A61M25/00; A61M25/0043; A61M25/005
Claims Analysis
Total Claims: 0
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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) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |