US3013153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analyzer and drive mechanism
Assignee: Phillips Petroleum Co
•
Filing: 1957-03-14
•
Granted: 1961-12-12
•
Expires: 1977-03-14
Abstract
No abstract record available.
Inventors
- 👤 Horace L Fisher
- 👤 Grady T Porter
- 👤 Glen E Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:39
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/27; G01N21/274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1989984A
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US2499322A
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US2579825A
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US2698679A
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US2792501A
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US2831118A
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |