US3023973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal impacting apparatus
Assignee: Entoleter Inc
•
Filing: 1959-03-17
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Granted: 1962-03-06
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Expires: 1979-03-17
Abstract
No abstract record available.
Inventors
- 👤 Kurt H Conley
- 👤 Arnold J Tenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:06
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/1807; B02C13/22; B02C13/24; B02C9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US167742A
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US655293A
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US967042A
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US1215424A
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US1298188A
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DE448011C
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US1673927A
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DE591968C
Cited
US2084227A
Cited
US2139113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |