US2939781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pelleting of nitraphosphate fertilizer
Assignee: Honeywell International Inc
•
Filing: 1955-06-30
•
Granted: 1960-06-07
•
Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 George R Gilliam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:04
CPC Classifications
C; C05; C05B; C05B11/00; C05B11/04; C05B11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1876501A
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US1773257A
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US2061534A
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US2136793A
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US2297300A
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US2382298A
Cited
US2589734A
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US2714224A
Cited
US2804383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |