US3508537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for automatic blood pressure monitoring
Assignee: Beckman Coulter Inc
•
Filing: 1965-04-20
•
Granted: 1970-04-28
•
Expires: 1985-04-20
Abstract
No abstract record available.
Inventors
- 👤 Alan Kahn
- 👤 Warren L Childs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:28
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/02208; A61B5/0235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3280817A
Cited
US3104661A
Cited
US3137292A
Cited
US3085567A
Cited
US3236230A
Cited
US3202148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |