US3528508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sod disturbing and replanting apparatus
Assignee: MARION S STEVENSON
•
Filing: 1968-04-08
•
Granted: 1970-09-15
•
Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Marion S Stevenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:31
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/02; A01B21/04; A01B45/00; Y; Y10; Y10S; Y10S111/00; Y10S111/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US517352A
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US809716A
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US895731A
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US1257818A
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US1289176A
Cited
US2839980A
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US2778291A
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DE1143354B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |