US3316166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen analyzer
Assignee: Manufacturers Engineering and Equipment Corp
•
Filing: 1963-05-15
•
Granted: 1967-04-25
•
Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Bergson Gustav
- 👤 Ketelsen Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:34
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2943036A
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US2924630A
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US3147217A
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US3236759A
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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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |