US3432287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agglomeration method and apparatus
Assignee: Arthur G McKee and Co
•
Filing: 1966-03-11
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Granted: 1969-03-11
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Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Melvin J Greaves
- 👤 Tage Werner
- 👤 Richard B Greenwalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:13
CPC Classifications
F; F27; F27B; F27B21/00; F27B21/06; C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/2413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3172754A
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US2112566A
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US2855290A
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US2925336A
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US3163519A
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US3215521A
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US3244507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |