US2741876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil conditioner and method of making same
Assignee: Rumianca SpA
•
Filing: 1953-03-20
•
Granted: 1956-04-17
•
Expires: 1973-03-20
Abstract
No abstract record available.
Inventors
- 👤 Paoloni Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:25
CPC Classifications
A; A01; A01G; A01G7/00; B; B09; B09C; B09C1/00; B09C1/08; C; C05; C05D; C05D9/00; C05D9/02; C09; C09K; C09K17/00; C09K17/02; C09K17/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1045723A
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US1384990A
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US1428633A
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US2103953A
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US2129334A
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US2317990A
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US2532548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |