US3409088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for scarifying and pulverizing compacted soil and the like
Assignee: LESTER R LINDBECK
•
Filing: 1965-03-01
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Granted: 1968-11-05
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Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Lester R Lindbeck
- 👤 Ronald W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:11
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C23/12; E01C23/122; E01C23/127; A; A01; A01B; A01B33/00; A01B33/02; A01B33/08; A01B33/10; A01B33/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1552750A
Cited
US1600663A
Cited
US2312164A
Cited
US2368331A
Cited
US2787943A
Cited
CH361685A
Cited
US3224347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |