Patent US2549049A successfully refreshed from Google Patents.
US2549049A
Expired / Lapsed
US
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Diaphragm type blood pressure gauge
Assignee: Individual
•
Filing: 1949-09-28
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Granted: 1951-04-17
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Expires: 1969-09-28
Abstract
No abstract record available.
Inventors
- 👤 Howard R Bierman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/024
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) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |