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Patent US3499434A successfully refreshed from Google Patents.
US3499434A
Expired / Lapsed
US
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Device for measuring and/or recording intracardiac pressure and sounds
Assignee: Fritz Hellige und Co GmbH
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Filing: 1966-04-11
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Granted: 1970-03-10
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Expires: 1986-04-11
Abstract
No abstract record available.
Inventors
- 👤 Georg Ullrich
- 👤 Roland Gaggstatter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:33
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/0215; A61B7/00; A61B7/02; A61B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |