US3069898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analyzer and fluid sampling system
Assignee: Phillips Petroleum Co
•
Filing: 1959-02-20
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Granted: 1962-12-25
•
Expires: 1979-02-20
Abstract
No abstract record available.
Inventors
- 👤 Daniel M Vesper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:34
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/10; G01N1/26; G01N30/00; G01N30/02; G01N30/04; G01N30/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899258A
Cited
US1782525A
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GB626787A
Cited
US2660165A
Cited
US2721578A
Cited
US2757541A
Cited
US2951361A
Cited
US2904384A
Cited
US2995410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |