US3365176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator apparatus
Assignee: Phillips Petroleum Co
•
Filing: 1966-10-07
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Granted: 1968-01-23
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Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Don C Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:07
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/90; B01F35/93; B01F27/00; B01F27/80; B01F27/90; B01F27/906
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |