US2826191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measurements of blood pressure
Assignee: Canadian Patents and Development Ltd
•
Filing: 1955-12-30
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Granted: 1958-03-11
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Expires: 1975-12-30
Abstract
No abstract record available.
Inventors
- 👤 Burns Benedict Delisle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:14
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/02233; A61B5/02241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2272836A
Cited
US2755796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |