US3025745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for analyzing gases
Assignee: Beckman Coulter Inc
•
Filing: 1953-06-30
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Granted: 1962-03-20
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Expires: 1973-06-30
Abstract
No abstract record available.
Inventors
- 👤 Max D Liston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:03
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/66; G01N21/69
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |