US3386517A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrator ripper plows
Assignee: LEON O KELLEY
•
Filing: 1965-06-28
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Granted: 1968-06-04
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Leon O Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/02; F28F3/025; F28F3/027; A; A01; A01B; A01B11/00; A01B13/00; A01B13/08; F28D; F28D9/00; F28D9/0062; F28D9/0068; F28D21/00; F28D2021/0019; F28D2021/0033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2422490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |