US2831478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatuses for observing and measuring of pressures within organs of the human body
Assignee: Individual
•
Filing: 1955-10-31
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Granted: 1958-04-22
•
Expires: 1975-10-31
Abstract
No abstract record available.
Inventors
- 👤 Uddenberg Goran Olof
- 👤 Thoren Herbert Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:33
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/68; A61B5/6801; A61B5/683; A61B5/6834; A61B17/00; A61B17/42; A61B17/44; A61B17/442; A61B5/43; A61B5/4306; A61B5/4343; A61B5/4356
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2239330A
Cited
US2223827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |