US3438764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable fertilizer ammoniating solution and method of making said solution
Assignee: EIDP Inc
•
Filing: 1965-08-30
•
Granted: 1969-04-15
•
Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 Robert J Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:58
CPC Classifications
C; C05; C05C; C05C9/00; C05C9/02; C05G; C05G5/00; C05G5/20; C05G5/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2002672A
Cited
US2033718A
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US2093364A
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US2255026A
Cited
US2279200A
Cited
US2255027A
Cited
US3022153A
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US3092486A
Cited
US3183200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |