US2859020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic driven collapsible agitator assembly
Assignee: Phillips Petroleum Co
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Filing: 1955-11-10
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Granted: 1958-11-04
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Expires: 1975-11-10
Abstract
No abstract record available.
Inventors
- 👤 William R Eddy
- 👤 Vado M Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:34
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/046; A47J43/0465; B; B01; B01F; B01F27/00; B01F27/05; B01F27/051; B01F27/054; B01F27/0541; B01F33/00; B01F33/45; B01F33/453
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |