Patent US3008527A successfully refreshed from Google Patents.
US3008527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil aerator
Assignee: Individual
•
Filing: 1957-05-17
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Granted: 1961-11-14
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Expires: 1977-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jr August S A Stohlmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:59
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/16; A01B39/00; A01B39/08; A01B45/00; A01B45/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442538A
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US634825A
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US1044404A
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US1085231A
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US2195631A
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US2243241A
Cited
US2614375A
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US2637564A
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US2826132A
Cited
US2812701A
Cited
US2778291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |