US3465971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflector arrangement for use in a grinding mill
Assignee: Combustion Engineering Inc
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Filing: 1966-12-28
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Granted: 1969-09-09
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 John F Dalenberg
- 👤 Elmer H Todd
- 👤 John W Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:23
CPC Classifications
H; H03; H03K; H03K7/00; H03K7/08; B; B02; B02C; B02C15/00; B02C15/001; F; F23; F23K; F23K1/00; H03K7/04; F23K2201/00; F23K2201/10; F23K2201/1006
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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |