US3518982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device and method for monitoring of gases in the blood stream
Assignee: Kovalus Separation Solutions LLC
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Filing: 1968-02-20
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Granted: 1970-07-07
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Expires: 1988-02-20
Abstract
No abstract record available.
Inventors
- 👤 Robert S Timmins
- 👤 Richard P De Filippi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:21
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/145; A61B5/02; A61B5/02042; A61B5/08; A61B5/083; A61B5/0833; B; B01; B01L; B01L7/00
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) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |