Patent US3487844A successfully refreshed from Google Patents.
US3487844A
Expired / Lapsed
US
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Pipelining crude oil
Assignee: Chevron USA Inc
•
Filing: 1966-01-03
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Granted: 1970-01-06
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph Simon
- 👤 Clayton Doyle Mcauliffe
- 👤 Wesley Gwinn Poynter
- 👤 Harley Y Jennings Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:45
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1233; C10L1/125; Y; Y10; Y10S; Y10S203/00; Y10S203/19; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0391
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |