US3389962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for conversion of anhydrous ammonia to aqueous ammonia and apparatus therefor
Assignee: Moorhead Machinery and Boil Co
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Filing: 1965-10-24
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Granted: 1968-06-25
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Donald M Moorhead
- 👤 Hayahoe Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:12
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/02; C01C1/022; B; B01; B01F; B01F21/00; B01F21/20; B01F21/30; B01F25/00; B01F25/30; B01F25/31; B01F25/314; B01F25/3142; B01F25/31425; B01F35/00; B01F35/90; B01F2035/98; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/0352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2872297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |