US3532086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for determining blood loss of patients
Assignee: Research Corp
•
Filing: 1966-02-23
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Granted: 1970-10-06
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Expires: 1986-02-23
Abstract
No abstract record available.
Inventors
- 👤 Rex J Underwood
- 👤 David Gowing
- 👤 George I Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:48
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/02042; A61B5/026; A61B5/0295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |