US3443794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator shaft steady bearing
Assignee: Halcon Research and Development Corp
•
Filing: 1967-01-03
•
Granted: 1969-05-13
•
Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Oscar A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:34
CPC Classifications
F; F16; F16C; F16C31/00; F16C31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US525138A
Cited
US735206A
Cited
US1350553A
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US1923040A
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US2082796A
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US2145553A
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US2253416A
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US2406891A
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US2657912A
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BE537419A
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US2865615A
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US2991003A
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US3107953A
Cited
US3039834A
Cited
US3304136A
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US3179057A
Cited
US3149543A
Cited
US3353456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |