US3462256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing urea-formaledhyde aqueous concentrates
Assignee: FERTILIZER INDUSTRIES Inc
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Filing: 1966-10-31
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Granted: 1969-08-19
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Ged H Justice
- 👤 Richard E Formaini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:01
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/10; C08G12/12; C07; C07C; C07C273/00; C07C273/02; C07C273/025; C07G; C07G99/00
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) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |