US2995139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic custody transfer system
Assignee: Phillips Petroleum Co
•
Filing: 1959-11-16
•
Granted: 1961-08-08
•
Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Marvin A Remke
- 👤 Glen G Hebard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:52
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/36; G01F3/38; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2635; Y10T137/7287; Y10T137/7303; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2158381A
Cited
US2773556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |