Patent US3037953A successfully refreshed from Google Patents.
US3039309A
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Pneumatically actuated pump and sampling system
Assignee: Phillips Petroleum Co
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Filing: 1957-09-13
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Granted: 1962-06-19
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Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 Daniel M Vesper
- 👤 Glen E Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:22
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B43/10; F04B43/113; F04B43/1133; G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1094766A
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US1282145A
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US2291912A
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US2450751A
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GB637589A
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US2636387A
Cited
US2760436A
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US2742788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |