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Patent US3434485A successfully refreshed from Google Patents.
US3434485A
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Transportation of viscous liquids
Assignee: Pan American Petroleum Corp
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Filing: 1965-09-30
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Granted: 1969-03-25
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 James L Lummus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:21
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/66; C09K8/68; F; F15; F15D; F15D1/00; F15D1/02; F15D1/06; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0391
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2533878A
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US2818079A
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US3096777A
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US3209771A
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US3215154A
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US3102548A
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US3244188A
Cited
US3216435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |