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Patent US2885977A successfully refreshed from Google Patents.
US2885977A
Expired / Lapsed
US
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Sub-soil fertilizer applicator
Assignee: Individual
•
Filing: 1956-07-09
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Granted: 1959-05-12
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Fabus Juraj
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:28
CPC Classifications
A; A01; A01G; A01G29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US797531A
Cited
US1650081A
Cited
US1743983A
Cited
US2083153A
Cited
US2242789A
Cited
US2800865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |