US2968266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating soil during planting
Assignee: Individual
•
Filing: 1958-01-23
•
Granted: 1961-01-17
•
Expires: 1978-01-23
Abstract
No abstract record available.
Inventors
- 👤 August W Gustafson
- 👤 Blvds Navigation
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:08
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/06; Y; Y10; Y10S; Y10S47/00; Y10S47/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA530673A
Cited
GB200858A
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US1667923A
Cited
US2295472A
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GB612779A
Cited
US2754622A
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US2643796A
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US2712198A
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US2812732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |