US1733745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing fertilizer compounds
Assignee: Individual
•
Filing: 1926-10-28
•
Granted: 1929-10-29
•
Expires: 1946-10-28
Abstract
No abstract record available.
Inventors
- 👤 Martin Andrew
- 👤 Jr John Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:32
CPC Classifications
C; C05; C05F; C05F17/00; C05C; C05C5/00; C05C5/02; C05F9/00; C05F9/04; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02W; Y02W30/00; Y02W30/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-10-28 | 1933-04-29 | 1933-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-10-28 | 1937-04-29 | 1937-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-10-28 | 1941-04-29 | 1941-10-29 | $7700.00 | Window Closed / Lapsed |